diff --git a/package-lock.json b/package-lock.json
index 9139b268..8eeceaa7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -136,6 +136,42 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@sinonjs/commons": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.4.0.tgz",
+      "integrity": "sha512-9jHK3YF/8HtJ9wCAbG+j8cD0i0+ATS9A7gXFqS36TblLPNy6rEEc+SB0imo91eCboGaBYGV/MT1/br/J+EE7Tw==",
+      "dev": true,
+      "requires": {
+        "type-detect": "4.0.8"
+      }
+    },
+    "@sinonjs/formatio": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-3.2.1.tgz",
+      "integrity": "sha512-tsHvOB24rvyvV2+zKMmPkZ7dXX6LSLKZ7aOtXY6Edklp0uRcgGpOsQTTGTcWViFyx4uhWc6GV8QdnALbIbIdeQ==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/commons": "^1",
+        "@sinonjs/samsam": "^3.1.0"
+      }
+    },
+    "@sinonjs/samsam": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-3.3.1.tgz",
+      "integrity": "sha512-wRSfmyd81swH0hA1bxJZJ57xr22kC07a1N4zuIL47yTS04bDk6AoCkczcqHEjcRPmJ+FruGJ9WBQiJwMtIElFw==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/commons": "^1.0.2",
+        "array-from": "^2.1.1",
+        "lodash": "^4.17.11"
+      }
+    },
+    "@sinonjs/text-encoding": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
+      "integrity": "sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==",
+      "dev": true
+    },
     "@types/bluebird": {
       "version": "3.5.24",
       "resolved": "https://registry.npmjs.org/@types/bluebird/-/bluebird-3.5.24.tgz",
@@ -246,6 +282,12 @@
         "@types/ethereum-protocol": "*"
       }
     },
+    "@types/lolex": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/@types/lolex/-/lolex-3.1.1.tgz",
+      "integrity": "sha512-NU2qVtKxbt4IBvjEOW1QeUnV6KGUF6hpgJyvwZt3JrXe2qmwQF0+BiazQw+iFy9qL5ie+QHOxTzXkcvJUEh76g==",
+      "dev": true
+    },
     "@types/mime": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.0.tgz",
@@ -307,6 +349,11 @@
         "@types/mime": "*"
       }
     },
+    "@types/sinon": {
+      "version": "7.0.11",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-7.0.11.tgz",
+      "integrity": "sha512-6ee09Ugx6GyEr0opUIakmxIWFNmqYPjkqa3/BuxCBokA0klsOLPgMD5K4q40lH7/yZVuJVzOfQpd7pipwjngkQ=="
+    },
     "@types/tough-cookie": {
       "version": "2.3.4",
       "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-2.3.4.tgz",
@@ -372,6 +419,12 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
+    "array-from": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
+      "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
+      "dev": true
+    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -1024,9 +1077,9 @@
       "dev": true
     },
     "ganache-core": {
-      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/ganache-core/-/ganache-core-2.5.3.tgz",
-      "integrity": "sha512-lTqPSxgWS5p4zJ8yNbhhsBXMPfcuV+jjnnYtsbJTph9L6InA6UkNpO0hhHuDFWF3GpblP3LjvWPpqW+X6pdZGg==",
+      "version": "2.5.4",
+      "resolved": "https://registry.npmjs.org/ganache-core/-/ganache-core-2.5.4.tgz",
+      "integrity": "sha512-h/AYUOzUiuZMto5f+yEABv0bVRTqJnPatil3rP1rRCBeIDkXH0mlyrW34bbU2jNFPLD4dF8ZP1vMWnpkgS9ZKQ==",
       "requires": {
         "abstract-leveldown": "3.0.0",
         "async": "2.6.1",
@@ -1042,7 +1095,7 @@
         "ethereumjs-block": "2.1.0",
         "ethereumjs-tx": "1.3.7",
         "ethereumjs-util": "5.2.0",
-        "ethereumjs-vm": "^2.6.0",
+        "ethereumjs-vm": "2.6.0",
         "ethereumjs-wallet": "0.6.2",
         "heap": "0.2.6",
         "level-sublevel": "6.6.4",
@@ -1058,6 +1111,411 @@
         "websocket": "1.0.26"
       },
       "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+          "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+          "requires": {
+            "@babel/highlight": "^7.0.0"
+          }
+        },
+        "@babel/generator": {
+          "version": "7.3.4",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.3.4.tgz",
+          "integrity": "sha512-8EXhHRFqlVVWXPezBW5keTiQi/rJMQTg/Y9uVCEZ0CAF3PKtCCaVRnp64Ii1ujhkoDhhF1fVsImoN4yJ2uz4Wg==",
+          "requires": {
+            "@babel/types": "^7.3.4",
+            "jsesc": "^2.5.1",
+            "lodash": "^4.17.11",
+            "source-map": "^0.5.0",
+            "trim-right": "^1.0.1"
+          },
+          "dependencies": {
+            "jsesc": {
+              "version": "2.5.2",
+              "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+              "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA=="
+            },
+            "source-map": {
+              "version": "0.5.7",
+              "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+              "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
+            }
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
+          "integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+          "requires": {
+            "@babel/helper-get-function-arity": "^7.0.0",
+            "@babel/template": "^7.1.0",
+            "@babel/types": "^7.0.0"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+          "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+          "requires": {
+            "@babel/types": "^7.0.0"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz",
+          "integrity": "sha512-MXkOJqva62dfC0w85mEf/LucPPS/1+04nmmRMPEBUB++hiiThQ2zPtX/mEWQ3mtzCEjIJvPY8nuwxXtQeQwUag==",
+          "requires": {
+            "@babel/types": "^7.0.0"
+          }
+        },
+        "@babel/highlight": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+          "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+          "requires": {
+            "chalk": "^2.0.0",
+            "esutils": "^2.0.2",
+            "js-tokens": "^4.0.0"
+          },
+          "dependencies": {
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "js-tokens": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
+              "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "@babel/parser": {
+          "version": "7.3.4",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.3.4.tgz",
+          "integrity": "sha512-tXZCqWtlOOP4wgCp6RjRvLmfuhnqTLy9VHwRochJBCP2nDm27JnnuFEnXFASVyQNHk36jD1tAammsCEEqgscIQ=="
+        },
+        "@babel/runtime": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.0.0.tgz",
+          "integrity": "sha512-7hGhzlcmg01CvH1EHdSPVXYX1aJ8KCEyz6I9xYIi/asDtzBPMyMhVibhM/K6g/5qnKBwjZtp10bNZIEFTRW1MA==",
+          "requires": {
+            "regenerator-runtime": "^0.12.0"
+          },
+          "dependencies": {
+            "regenerator-runtime": {
+              "version": "0.12.1",
+              "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz",
+              "integrity": "sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg=="
+            }
+          }
+        },
+        "@babel/template": {
+          "version": "7.2.2",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.2.2.tgz",
+          "integrity": "sha512-zRL0IMM02AUDwghf5LMSSDEz7sBCO2YnNmpg3uWTZj/v1rcG2BmQUvaGU8GhU8BvfMh1k2KIAYZ7Ji9KXPUg7g==",
+          "requires": {
+            "@babel/code-frame": "^7.0.0",
+            "@babel/parser": "^7.2.2",
+            "@babel/types": "^7.2.2"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.3.4",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.3.4.tgz",
+          "integrity": "sha512-TvTHKp6471OYEcE/91uWmhR6PrrYywQntCHSaZ8CM8Vmp+pjAusal4nGB2WCCQd0rvI7nOMKn9GnbcvTUz3/ZQ==",
+          "requires": {
+            "@babel/code-frame": "^7.0.0",
+            "@babel/generator": "^7.3.4",
+            "@babel/helper-function-name": "^7.1.0",
+            "@babel/helper-split-export-declaration": "^7.0.0",
+            "@babel/parser": "^7.3.4",
+            "@babel/types": "^7.3.4",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0",
+            "lodash": "^4.17.11"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "4.1.1",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+              "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            },
+            "globals": {
+              "version": "11.11.0",
+              "resolved": "https://registry.npmjs.org/globals/-/globals-11.11.0.tgz",
+              "integrity": "sha512-WHq43gS+6ufNOEqlrDBxVEbb8ntfXrfAUU2ZOpCxrBdGKW3gyv8mCxAfIBD0DroPKGrJ2eSsXsLtY9MPntsyTw=="
+            },
+            "ms": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+              "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+            }
+          }
+        },
+        "@babel/types": {
+          "version": "7.3.4",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.3.4.tgz",
+          "integrity": "sha512-WEkp8MsLftM7O/ty580wAmZzN1nDmCACc5+jFzUt+GUFNNIi3LdRlueYz0YIlmJhlZx1QYDMZL5vdWCL0fNjFQ==",
+          "requires": {
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.11",
+            "to-fast-properties": "^2.0.0"
+          },
+          "dependencies": {
+            "to-fast-properties": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+              "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
+            }
+          }
+        },
+        "@iamstarkov/listr-update-renderer": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/@iamstarkov/listr-update-renderer/-/listr-update-renderer-0.4.1.tgz",
+          "integrity": "sha512-IJyxQWsYDEkf8C8QthBn5N8tIUR9V9je6j3sMIpAkonaadjbvxmRC6RAhpa3RKxndhNnU2M6iNbtJwd7usQYIA==",
+          "requires": {
+            "chalk": "^1.1.3",
+            "cli-truncate": "^0.2.1",
+            "elegant-spinner": "^1.0.1",
+            "figures": "^1.7.0",
+            "indent-string": "^3.0.0",
+            "log-symbols": "^1.0.2",
+            "log-update": "^2.3.0",
+            "strip-ansi": "^3.0.1"
+          },
+          "dependencies": {
+            "figures": {
+              "version": "1.7.0",
+              "resolved": "https://registry.npmjs.org/figures/-/figures-1.7.0.tgz",
+              "integrity": "sha1-y+Hjr/zxzUS4DK3+0o3Hk6lwHS4=",
+              "requires": {
+                "escape-string-regexp": "^1.0.5",
+                "object-assign": "^4.1.0"
+              }
+            },
+            "log-symbols": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-1.0.2.tgz",
+              "integrity": "sha1-N2/3tY6jCGoPCfrMdGF+ylAeGhg=",
+              "requires": {
+                "chalk": "^1.0.0"
+              }
+            }
+          }
+        },
+        "@samverschueren/stream-to-observable": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/@samverschueren/stream-to-observable/-/stream-to-observable-0.3.0.tgz",
+          "integrity": "sha512-MI4Xx6LHs4Webyvi6EbspgyAb4D2Q2VtnCQ1blOJcoLS6mVa8lNN2rkIy1CVxfTUpoyIbCTkXES1rLXztFD1lg==",
+          "requires": {
+            "any-observable": "^0.3.0"
+          }
+        },
+        "@types/node": {
+          "version": "10.12.27",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.27.tgz",
+          "integrity": "sha512-e9wgeY6gaY21on3ve0xAjgBVjGDWq/xUteK0ujsE53bUoxycMkqfnkUgMt6ffZtykZ5X12Mg3T7Pw4TRCObDKg=="
+        },
+        "@webassemblyjs/ast": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.5.13.tgz",
+          "integrity": "sha512-49nwvW/Hx9i+OYHg+mRhKZfAlqThr11Dqz8TsrvqGKMhdI2ijy3KBJOun2Z4770TPjrIJhR6KxChQIDaz8clDA==",
+          "requires": {
+            "@webassemblyjs/helper-module-context": "1.5.13",
+            "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+            "@webassemblyjs/wast-parser": "1.5.13",
+            "debug": "^3.1.0",
+            "mamacro": "^0.0.3"
+          }
+        },
+        "@webassemblyjs/floating-point-hex-parser": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/floating-point-hex-parser/-/floating-point-hex-parser-1.5.13.tgz",
+          "integrity": "sha512-vrvvB18Kh4uyghSKb0NTv+2WZx871WL2NzwMj61jcq2bXkyhRC+8Q0oD7JGVf0+5i/fKQYQSBCNMMsDMRVAMqA=="
+        },
+        "@webassemblyjs/helper-api-error": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-api-error/-/helper-api-error-1.5.13.tgz",
+          "integrity": "sha512-dBh2CWYqjaDlvMmRP/kudxpdh30uXjIbpkLj9HQe+qtYlwvYjPRjdQXrq1cTAAOUSMTtzqbXIxEdEZmyKfcwsg=="
+        },
+        "@webassemblyjs/helper-buffer": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-buffer/-/helper-buffer-1.5.13.tgz",
+          "integrity": "sha512-v7igWf1mHcpJNbn4m7e77XOAWXCDT76Xe7Is1VQFXc4K5jRcFrl9D0NrqM4XifQ0bXiuTSkTKMYqDxu5MhNljA==",
+          "requires": {
+            "debug": "^3.1.0"
+          }
+        },
+        "@webassemblyjs/helper-code-frame": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-code-frame/-/helper-code-frame-1.5.13.tgz",
+          "integrity": "sha512-yN6ScQQDFCiAXnVctdVO/J5NQRbwyTbQzsGzEgXsAnrxhjp0xihh+nNHQTMrq5UhOqTb5LykpJAvEv9AT0jnAQ==",
+          "requires": {
+            "@webassemblyjs/wast-printer": "1.5.13"
+          }
+        },
+        "@webassemblyjs/helper-fsm": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-fsm/-/helper-fsm-1.5.13.tgz",
+          "integrity": "sha512-hSIKzbXjVMRvy3Jzhgu+vDd/aswJ+UMEnLRCkZDdknZO3Z9e6rp1DAs0tdLItjCFqkz9+0BeOPK/mk3eYvVzZg=="
+        },
+        "@webassemblyjs/helper-module-context": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-module-context/-/helper-module-context-1.5.13.tgz",
+          "integrity": "sha512-zxJXULGPLB7r+k+wIlvGlXpT4CYppRz8fLUM/xobGHc9Z3T6qlmJD9ySJ2jknuktuuiR9AjnNpKYDECyaiX+QQ==",
+          "requires": {
+            "debug": "^3.1.0",
+            "mamacro": "^0.0.3"
+          }
+        },
+        "@webassemblyjs/helper-wasm-bytecode": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-bytecode/-/helper-wasm-bytecode-1.5.13.tgz",
+          "integrity": "sha512-0n3SoNGLvbJIZPhtMFq0XmmnA/YmQBXaZKQZcW8maGKwLpVcgjNrxpFZHEOLKjXJYVN5Il8vSfG7nRX50Zn+aw=="
+        },
+        "@webassemblyjs/helper-wasm-section": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/helper-wasm-section/-/helper-wasm-section-1.5.13.tgz",
+          "integrity": "sha512-IJ/goicOZ5TT1axZFSnlAtz4m8KEjYr12BNOANAwGFPKXM4byEDaMNXYowHMG0yKV9a397eU/NlibFaLwr1fbw==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-buffer": "1.5.13",
+            "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+            "@webassemblyjs/wasm-gen": "1.5.13",
+            "debug": "^3.1.0"
+          }
+        },
+        "@webassemblyjs/ieee754": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/ieee754/-/ieee754-1.5.13.tgz",
+          "integrity": "sha512-TseswvXEPpG5TCBKoLx9tT7+/GMACjC1ruo09j46ULRZWYm8XHpDWaosOjTnI7kr4SRJFzA6MWoUkAB+YCGKKg==",
+          "requires": {
+            "ieee754": "^1.1.11"
+          }
+        },
+        "@webassemblyjs/leb128": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/leb128/-/leb128-1.5.13.tgz",
+          "integrity": "sha512-0NRMxrL+GG3eISGZBmLBLAVjphbN8Si15s7jzThaw1UE9e5BY1oH49/+MA1xBzxpf1OW5sf9OrPDOclk9wj2yg==",
+          "requires": {
+            "long": "4.0.0"
+          },
+          "dependencies": {
+            "long": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+              "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA=="
+            }
+          }
+        },
+        "@webassemblyjs/utf8": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/utf8/-/utf8-1.5.13.tgz",
+          "integrity": "sha512-Ve1ilU2N48Ew0lVGB8FqY7V7hXjaC4+PeZM+vDYxEd+R2iQ0q+Wb3Rw8v0Ri0+rxhoz6gVGsnQNb4FjRiEH/Ng=="
+        },
+        "@webassemblyjs/wasm-edit": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-edit/-/wasm-edit-1.5.13.tgz",
+          "integrity": "sha512-X7ZNW4+Hga4f2NmqENnHke2V/mGYK/xnybJSIXImt1ulxbCOEs/A+ZK/Km2jgihjyVxp/0z0hwIcxC6PrkWtgw==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-buffer": "1.5.13",
+            "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+            "@webassemblyjs/helper-wasm-section": "1.5.13",
+            "@webassemblyjs/wasm-gen": "1.5.13",
+            "@webassemblyjs/wasm-opt": "1.5.13",
+            "@webassemblyjs/wasm-parser": "1.5.13",
+            "@webassemblyjs/wast-printer": "1.5.13",
+            "debug": "^3.1.0"
+          }
+        },
+        "@webassemblyjs/wasm-gen": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-gen/-/wasm-gen-1.5.13.tgz",
+          "integrity": "sha512-yfv94Se8R73zmr8GAYzezFHc3lDwE/lBXQddSiIZEKZFuqy7yWtm3KMwA1uGbv5G1WphimJxboXHR80IgX1hQA==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+            "@webassemblyjs/ieee754": "1.5.13",
+            "@webassemblyjs/leb128": "1.5.13",
+            "@webassemblyjs/utf8": "1.5.13"
+          }
+        },
+        "@webassemblyjs/wasm-opt": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-opt/-/wasm-opt-1.5.13.tgz",
+          "integrity": "sha512-IkXSkgzVhQ0QYAdIayuCWMmXSYx0dHGU8Ah/AxJf1gBvstMWVnzJnBwLsXLyD87VSBIcsqkmZ28dVb0mOC3oBg==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-buffer": "1.5.13",
+            "@webassemblyjs/wasm-gen": "1.5.13",
+            "@webassemblyjs/wasm-parser": "1.5.13",
+            "debug": "^3.1.0"
+          }
+        },
+        "@webassemblyjs/wasm-parser": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.5.13.tgz",
+          "integrity": "sha512-XnYoIcu2iqq8/LrtmdnN3T+bRjqYFjRHqWbqK3osD/0r/Fcv4d9ecRzjVtC29ENEuNTK4mQ9yyxCBCbK8S/cpg==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-api-error": "1.5.13",
+            "@webassemblyjs/helper-wasm-bytecode": "1.5.13",
+            "@webassemblyjs/ieee754": "1.5.13",
+            "@webassemblyjs/leb128": "1.5.13",
+            "@webassemblyjs/utf8": "1.5.13"
+          }
+        },
+        "@webassemblyjs/wast-parser": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-parser/-/wast-parser-1.5.13.tgz",
+          "integrity": "sha512-Lbz65T0LQ1LgzKiUytl34CwuhMNhaCLgrh0JW4rJBN6INnBB8NMwUfQM+FxTnLY9qJ+lHJL/gCM5xYhB9oWi4A==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/floating-point-hex-parser": "1.5.13",
+            "@webassemblyjs/helper-api-error": "1.5.13",
+            "@webassemblyjs/helper-code-frame": "1.5.13",
+            "@webassemblyjs/helper-fsm": "1.5.13",
+            "long": "^3.2.0",
+            "mamacro": "^0.0.3"
+          }
+        },
+        "@webassemblyjs/wast-printer": {
+          "version": "1.5.13",
+          "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-printer/-/wast-printer-1.5.13.tgz",
+          "integrity": "sha512-QcwogrdqcBh8Z+eUF8SG+ag5iwQSXxQJELBEHmLkk790wgQgnIMmntT2sMAMw53GiFNckArf5X0bsCA44j3lWQ==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/wast-parser": "1.5.13",
+            "long": "^3.2.0"
+          }
+        },
         "abstract-leveldown": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-3.0.0.tgz",
@@ -1070,11 +1528,37 @@
           "version": "1.3.5",
           "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
           "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+          "optional": true,
           "requires": {
             "mime-types": "~2.1.18",
             "negotiator": "0.6.1"
           }
         },
+        "acorn": {
+          "version": "6.1.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
+          "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA=="
+        },
+        "acorn-dynamic-import": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz",
+          "integrity": "sha512-zVWV8Z8lislJoOKKqdNMOB+s6+XV5WERty8MnKBeFgwA+19XJjJHs2RP5dzM57FftIs+jQnRToLiWazKr6sSWg==",
+          "requires": {
+            "acorn": "^5.0.0"
+          },
+          "dependencies": {
+            "acorn": {
+              "version": "5.7.3",
+              "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+              "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw=="
+            }
+          }
+        },
+        "acorn-jsx": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
+          "integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg=="
+        },
         "aes-js": {
           "version": "3.1.2",
           "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.1.2.tgz",
@@ -1092,6 +1576,16 @@
             "uri-js": "^4.2.2"
           }
         },
+        "ajv-keywords": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.4.0.tgz",
+          "integrity": "sha512-aUjdRFISbuFOl0EIZc+9e4FfZp0bDZgAdOOf30bJmw8VM9v84SHyVyxDfbWxpGYbdZD/9XoKxfHVNmxPkhwyGw=="
+        },
+        "ansi-escapes": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
+          "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ=="
+        },
         "ansi-regex": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
@@ -1102,15 +1596,92 @@
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
         },
+        "any-observable": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/any-observable/-/any-observable-0.3.0.tgz",
+          "integrity": "sha512-/FQM1EDkTsf63Ub2C6O7GuYFDsSXUwsaZDurV0np41ocwq0jthUAYCmhBX9f+KwlaCgIuWyr/4WlUQUBfKfZog=="
+        },
         "any-promise": {
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
-          "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
+          "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8=",
+          "optional": true
+        },
+        "anymatch": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
+          "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
+          "requires": {
+            "micromatch": "^3.1.4",
+            "normalize-path": "^2.1.1"
+          },
+          "dependencies": {
+            "normalize-path": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+              "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+              "requires": {
+                "remove-trailing-separator": "^1.0.1"
+              }
+            }
+          }
+        },
+        "aproba": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+          "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+        },
+        "argparse": {
+          "version": "1.0.10",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+          "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+          "requires": {
+            "sprintf-js": "~1.0.2"
+          }
+        },
+        "arr-diff": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
+          "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA="
+        },
+        "arr-flatten": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+          "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg=="
+        },
+        "arr-union": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
+          "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
         },
         "array-flatten": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+          "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+          "optional": true
+        },
+        "array-union": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
+          "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
+          "requires": {
+            "array-uniq": "^1.0.1"
+          }
+        },
+        "array-uniq": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
+          "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY="
+        },
+        "array-unique": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
+          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
+        },
+        "arrify": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+          "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0="
         },
         "asn1": {
           "version": "0.2.4",
@@ -1130,11 +1701,40 @@
             "minimalistic-assert": "^1.0.0"
           }
         },
+        "assert": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/assert/-/assert-1.4.1.tgz",
+          "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
+          "requires": {
+            "util": "0.10.3"
+          }
+        },
+        "assert-match": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/assert-match/-/assert-match-1.1.1.tgz",
+          "integrity": "sha512-c0QY2kpYVrH/jis6cCq9Mnt4/bIdGALDh1N8HY9ZARZedsMs5LSbgywxkjd5A1uNVLN0L8evANxBPxKiabVoZw==",
+          "requires": {
+            "assert": "^1.4.1",
+            "babel-runtime": "^6.23.0",
+            "es-to-primitive": "^1.1.1",
+            "lodash.merge": "^4.6.0"
+          }
+        },
         "assert-plus": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
           "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
         },
+        "assign-symbols": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
+          "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
+        },
+        "astral-regex": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+          "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg=="
+        },
         "async": {
           "version": "2.6.1",
           "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
@@ -1143,6 +1743,11 @@
             "lodash": "^4.17.10"
           }
         },
+        "async-each": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.1.tgz",
+          "integrity": "sha1-GdOGodntxufByF04iu28xW0zYC0="
+        },
         "async-eventemitter": {
           "version": "0.2.4",
           "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
@@ -1161,6 +1766,11 @@
           "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
           "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
         },
+        "atob": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
+          "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg=="
+        },
         "aws-sign2": {
           "version": "0.7.0",
           "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -1805,6 +2415,56 @@
           "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
           "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
         },
+        "base": {
+          "version": "0.11.2",
+          "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
+          "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
+          "requires": {
+            "cache-base": "^1.0.1",
+            "class-utils": "^0.3.5",
+            "component-emitter": "^1.2.1",
+            "define-property": "^1.0.0",
+            "isobject": "^3.0.1",
+            "mixin-deep": "^1.2.0",
+            "pascalcase": "^0.1.1"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+              "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+              "requires": {
+                "is-descriptor": "^1.0.0"
+              }
+            },
+            "is-accessor-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+              "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-data-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+              "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-descriptor": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+              "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+              "requires": {
+                "is-accessor-descriptor": "^1.0.0",
+                "is-data-descriptor": "^1.0.0",
+                "kind-of": "^6.0.2"
+              }
+            }
+          }
+        },
         "base-x": {
           "version": "3.0.5",
           "resolved": "https://registry.npmjs.org/base-x/-/base-x-3.0.5.tgz",
@@ -1827,6 +2487,16 @@
             "tweetnacl": "^0.14.3"
           }
         },
+        "big.js": {
+          "version": "5.2.2",
+          "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
+          "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ=="
+        },
+        "binary-extensions": {
+          "version": "1.13.0",
+          "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.0.tgz",
+          "integrity": "sha512-EgmjVLMn22z7eGGv3kcnHwSnJXmFHjISTY9E/S5lIcTD3Oxw05QTcBLNkJFzcb3cNueUdF/IN4U+d78V0zO8Hw=="
+        },
         "bindings": {
           "version": "1.5.0",
           "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
@@ -1859,6 +2529,7 @@
           "version": "1.2.2",
           "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
           "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+          "optional": true,
           "requires": {
             "readable-stream": "^2.3.5",
             "safe-buffer": "^5.1.1"
@@ -1876,8 +2547,7 @@
         "bluebird": {
           "version": "3.5.3",
           "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
-          "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==",
-          "optional": true
+          "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
         },
         "bn.js": {
           "version": "4.11.8",
@@ -1888,6 +2558,7 @@
           "version": "1.18.3",
           "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
           "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+          "optional": true,
           "requires": {
             "bytes": "3.0.0",
             "content-type": "~1.0.4",
@@ -1905,6 +2576,7 @@
               "version": "2.6.9",
               "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
               "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
@@ -1920,11 +2592,52 @@
             "concat-map": "0.0.1"
           }
         },
+        "braces": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
+          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
+          "requires": {
+            "arr-flatten": "^1.1.0",
+            "array-unique": "^0.3.2",
+            "extend-shallow": "^2.0.1",
+            "fill-range": "^4.0.0",
+            "isobject": "^3.0.1",
+            "repeat-element": "^1.1.2",
+            "snapdragon": "^0.8.1",
+            "snapdragon-node": "^2.0.1",
+            "split-string": "^3.0.2",
+            "to-regex": "^3.0.1"
+          },
+          "dependencies": {
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            }
+          }
+        },
         "brorand": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
           "integrity": "sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8="
         },
+        "browser-stdout": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+          "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw=="
+        },
+        "browserfs": {
+          "version": "1.4.3",
+          "resolved": "https://registry.npmjs.org/browserfs/-/browserfs-1.4.3.tgz",
+          "integrity": "sha512-tz8HClVrzTJshcyIu8frE15cjqjcBIu15Bezxsvl/i+6f59iNCN3kznlWjz0FEb3DlnDx3gW5szxeT6D1x0s0w==",
+          "requires": {
+            "async": "^2.1.4",
+            "pako": "^1.0.4"
+          }
+        },
         "browserify-aes": {
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
@@ -1942,7 +2655,6 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/browserify-cipher/-/browserify-cipher-1.0.1.tgz",
           "integrity": "sha512-sPhkz0ARKbf4rRQt2hTpAHqn47X3llLkUGn+xEJzLjwY8LRs2p0v7ljvI5EyoRO/mexrNunNECisZs+gw2zz1w==",
-          "optional": true,
           "requires": {
             "browserify-aes": "^1.0.4",
             "browserify-des": "^1.0.0",
@@ -1953,7 +2665,6 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/browserify-des/-/browserify-des-1.0.2.tgz",
           "integrity": "sha512-BioO1xf3hFwz4kc6iBhI3ieDFompMhrMlnDFC4/0/vd5MokpuAc3R+LYbwTA9A5Yc9pq9UYPqffKpW2ObuwX5A==",
-          "optional": true,
           "requires": {
             "cipher-base": "^1.0.1",
             "des.js": "^1.0.0",
@@ -1983,7 +2694,6 @@
           "version": "4.0.4",
           "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
           "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
-          "optional": true,
           "requires": {
             "bn.js": "^4.1.1",
             "browserify-rsa": "^4.0.0",
@@ -1994,6 +2704,14 @@
             "parse-asn1": "^5.0.0"
           }
         },
+        "browserify-zlib": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/browserify-zlib/-/browserify-zlib-0.2.0.tgz",
+          "integrity": "sha512-Z942RysHXmJrhqk88FmKBVq/v5tqmSkDz7p54G/MGyjMnCFFnC79XWNbg+Vta8W6Wb2qtSZTSxIGkJrRpCFEiA==",
+          "requires": {
+            "pako": "~1.0.5"
+          }
+        },
         "browserslist": {
           "version": "3.2.8",
           "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
@@ -2027,6 +2745,7 @@
           "version": "5.2.1",
           "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
           "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
+          "optional": true,
           "requires": {
             "base64-js": "^1.0.2",
             "ieee754": "^1.1.4"
@@ -2036,6 +2755,7 @@
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
           "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
+          "optional": true,
           "requires": {
             "buffer-alloc-unsafe": "^1.1.0",
             "buffer-fill": "^1.0.0"
@@ -2044,7 +2764,8 @@
         "buffer-alloc-unsafe": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
-          "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
+          "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg==",
+          "optional": true
         },
         "buffer-crc32": {
           "version": "0.2.13",
@@ -2055,7 +2776,8 @@
         "buffer-fill": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
-          "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
+          "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
+          "optional": true
         },
         "buffer-from": {
           "version": "1.1.1",
@@ -2065,17 +2787,24 @@
         "buffer-to-arraybuffer": {
           "version": "0.0.5",
           "resolved": "https://registry.npmjs.org/buffer-to-arraybuffer/-/buffer-to-arraybuffer-0.0.5.tgz",
-          "integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo="
+          "integrity": "sha1-YGSkD6dutDxyOrqe+PbhIW0QURo=",
+          "optional": true
         },
         "buffer-xor": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz",
           "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
         },
+        "builtin-status-codes": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz",
+          "integrity": "sha1-hZgoeOIbmOHGZCXgPQF0eI9Wnug="
+        },
         "bytes": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
-          "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg="
+          "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
+          "optional": true
         },
         "bytewise": {
           "version": "1.1.0",
@@ -2094,6 +2823,58 @@
             "typewise-core": "^1.2"
           }
         },
+        "cacache": {
+          "version": "10.0.4",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
+          "integrity": "sha512-Dph0MzuH+rTQzGPNT9fAnrPmMmjKfST6trxJeK7NQuHRaVw24VzPRWTmg9MpcwOVQZO0E1FBICUlFeNaKPIfHA==",
+          "requires": {
+            "bluebird": "^3.5.1",
+            "chownr": "^1.0.1",
+            "glob": "^7.1.2",
+            "graceful-fs": "^4.1.11",
+            "lru-cache": "^4.1.1",
+            "mississippi": "^2.0.0",
+            "mkdirp": "^0.5.1",
+            "move-concurrently": "^1.0.1",
+            "promise-inflight": "^1.0.1",
+            "rimraf": "^2.6.2",
+            "ssri": "^5.2.4",
+            "unique-filename": "^1.1.0",
+            "y18n": "^4.0.0"
+          },
+          "dependencies": {
+            "lru-cache": {
+              "version": "4.1.5",
+              "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+              "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
+              "requires": {
+                "pseudomap": "^1.0.2",
+                "yallist": "^2.1.2"
+              }
+            },
+            "y18n": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+              "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
+            }
+          }
+        },
+        "cache-base": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
+          "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
+          "requires": {
+            "collection-visit": "^1.0.0",
+            "component-emitter": "^1.2.1",
+            "get-value": "^2.0.6",
+            "has-value": "^1.0.0",
+            "isobject": "^3.0.1",
+            "set-value": "^2.0.0",
+            "to-object-path": "^0.3.0",
+            "union-value": "^1.0.0",
+            "unset-value": "^1.0.0"
+          }
+        },
         "cachedown": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/cachedown/-/cachedown-1.0.0.tgz",
@@ -2113,6 +2894,34 @@
             }
           }
         },
+        "caller-callsite": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
+          "integrity": "sha1-hH4PzgoiN1CpoCfFSzNzGtMVQTQ=",
+          "requires": {
+            "callsites": "^2.0.0"
+          },
+          "dependencies": {
+            "callsites": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+              "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA="
+            }
+          }
+        },
+        "caller-path": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-0.1.0.tgz",
+          "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
+          "requires": {
+            "callsites": "^0.2.0"
+          }
+        },
+        "callsites": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/callsites/-/callsites-0.2.0.tgz",
+          "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo="
+        },
         "camelcase": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
@@ -2140,6 +2949,11 @@
             "supports-color": "^2.0.0"
           }
         },
+        "chardet": {
+          "version": "0.7.0",
+          "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+          "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA=="
+        },
         "checkpoint-store": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/checkpoint-store/-/checkpoint-store-1.1.0.tgz",
@@ -2148,6 +2962,43 @@
             "functional-red-black-tree": "^1.0.1"
           }
         },
+        "chokidar": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.2.tgz",
+          "integrity": "sha512-IwXUx0FXc5ibYmPC2XeEj5mpXoV66sR+t3jqu2NS2GYwCktt3KF1/Qqjws/NkegajBA4RbZ5+DDwlOiJsxDHEg==",
+          "requires": {
+            "anymatch": "^2.0.0",
+            "async-each": "^1.0.1",
+            "braces": "^2.3.2",
+            "fsevents": "^1.2.7",
+            "glob-parent": "^3.1.0",
+            "inherits": "^2.0.3",
+            "is-binary-path": "^1.0.0",
+            "is-glob": "^4.0.0",
+            "normalize-path": "^3.0.0",
+            "path-is-absolute": "^1.0.0",
+            "readdirp": "^2.2.1",
+            "upath": "^1.1.0"
+          }
+        },
+        "chownr": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
+          "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
+        },
+        "chrome-trace-event": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/chrome-trace-event/-/chrome-trace-event-1.0.0.tgz",
+          "integrity": "sha512-xDbVgyfDTT2piup/h8dK/y4QZfJRSa73bw1WZ8b4XM1o7fsFubUVGYcE+1ANtOzJJELGpYoG2961z0Z6OAld9A==",
+          "requires": {
+            "tslib": "^1.9.0"
+          }
+        },
+        "ci-info": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
+          "integrity": "sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ=="
+        },
         "cipher-base": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
@@ -2157,6 +3008,61 @@
             "safe-buffer": "^5.0.1"
           }
         },
+        "circular-json": {
+          "version": "0.3.3",
+          "resolved": "https://registry.npmjs.org/circular-json/-/circular-json-0.3.3.tgz",
+          "integrity": "sha512-UZK3NBx2Mca+b5LsG7bY183pHWt5Y1xts4P3Pz7ENTwGVnJOUWbRb3ocjvX7hx9tq/yTAdclXm9sZ38gNuem4A=="
+        },
+        "class-utils": {
+          "version": "0.3.6",
+          "resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
+          "integrity": "sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==",
+          "requires": {
+            "arr-union": "^3.1.0",
+            "define-property": "^0.2.5",
+            "isobject": "^3.0.0",
+            "static-extend": "^0.1.1"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "0.2.5",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+              "requires": {
+                "is-descriptor": "^0.1.0"
+              }
+            }
+          }
+        },
+        "cli-cursor": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
+          "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
+          "requires": {
+            "restore-cursor": "^2.0.0"
+          }
+        },
+        "cli-truncate": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/cli-truncate/-/cli-truncate-0.2.1.tgz",
+          "integrity": "sha1-nxXPuwcFAFNpIWxiasfQWrkN1XQ=",
+          "requires": {
+            "slice-ansi": "0.0.4",
+            "string-width": "^1.0.1"
+          },
+          "dependencies": {
+            "slice-ansi": {
+              "version": "0.0.4",
+              "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-0.0.4.tgz",
+              "integrity": "sha1-7b+JA/ZvfOL46v1s7tZeJkyDGzU="
+            }
+          }
+        },
+        "cli-width": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
+          "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk="
+        },
         "cliui": {
           "version": "3.2.0",
           "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
@@ -2195,6 +3101,28 @@
             }
           }
         },
+        "collection-visit": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
+          "integrity": "sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=",
+          "requires": {
+            "map-visit": "^1.0.0",
+            "object-visit": "^1.0.0"
+          }
+        },
+        "color-convert": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+          "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+        },
         "combined-stream": {
           "version": "1.0.7",
           "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
@@ -2211,6 +3139,16 @@
             "graceful-readlink": ">= 1.0.0"
           }
         },
+        "commondir": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
+          "integrity": "sha1-3dgA2gxmEnOTzKWVDqloo6rxJTs="
+        },
+        "component-emitter": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
+          "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
+        },
         "concat-map": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -2227,15 +3165,35 @@
             "typedarray": "^0.0.6"
           }
         },
+        "console-browserify": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
+          "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
+          "requires": {
+            "date-now": "^0.1.4"
+          }
+        },
+        "constants-browserify": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/constants-browserify/-/constants-browserify-1.0.0.tgz",
+          "integrity": "sha1-wguW2MYXdIqvHBYCF2DNJ/y4y3U="
+        },
+        "contains-path": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
+          "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo="
+        },
         "content-disposition": {
           "version": "0.5.2",
           "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
-          "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
+          "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
+          "optional": true
         },
         "content-type": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
-          "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA=="
+          "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+          "optional": true
         },
         "convert-source-map": {
           "version": "1.6.0",
@@ -2248,17 +3206,38 @@
         "cookie": {
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-          "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+          "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
+          "optional": true
         },
         "cookie-signature": {
           "version": "1.0.6",
           "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
-          "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+          "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw=",
+          "optional": true
         },
         "cookiejar": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
-          "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA=="
+          "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==",
+          "optional": true
+        },
+        "copy-concurrently": {
+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/copy-concurrently/-/copy-concurrently-1.0.5.tgz",
+          "integrity": "sha512-f2domd9fsVDFtaFcbaRZuYXwtdmnzqbADSwhSWYxYB/Q8zsdUUFMXVRwXGDMWmbEzAn1kdRrtI1T/KTFOL4X2A==",
+          "requires": {
+            "aproba": "^1.1.1",
+            "fs-write-stream-atomic": "^1.0.8",
+            "iferr": "^0.1.5",
+            "mkdirp": "^0.5.1",
+            "rimraf": "^2.5.4",
+            "run-queue": "^1.0.0"
+          }
+        },
+        "copy-descriptor": {
+          "version": "0.1.1",
+          "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
+          "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40="
         },
         "core-js": {
           "version": "2.6.5",
@@ -2274,16 +3253,59 @@
           "version": "2.8.5",
           "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
           "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+          "optional": true,
           "requires": {
             "object-assign": "^4",
             "vary": "^1"
           }
         },
+        "cosmiconfig": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.1.0.tgz",
+          "integrity": "sha512-kCNPvthka8gvLtzAxQXvWo4FxqRB+ftRZyPZNuab5ngvM9Y7yw7hbEysglptLgpkGX9nAOKTBVkHUAe8xtYR6Q==",
+          "requires": {
+            "import-fresh": "^2.0.0",
+            "is-directory": "^0.3.1",
+            "js-yaml": "^3.9.0",
+            "lodash.get": "^4.4.2",
+            "parse-json": "^4.0.0"
+          },
+          "dependencies": {
+            "parse-json": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+              "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+              "requires": {
+                "error-ex": "^1.3.1",
+                "json-parse-better-errors": "^1.0.1"
+              }
+            }
+          }
+        },
+        "coveralls": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.3.tgz",
+          "integrity": "sha512-viNfeGlda2zJr8Gj1zqXpDMRjw9uM54p7wzZdvLRyOgnAfCe974Dq4veZkjJdxQXbmdppu6flEajFYseHYaUhg==",
+          "requires": {
+            "growl": "~> 1.10.0",
+            "js-yaml": "^3.11.0",
+            "lcov-parse": "^0.0.10",
+            "log-driver": "^1.2.7",
+            "minimist": "^1.2.0",
+            "request": "^2.86.0"
+          },
+          "dependencies": {
+            "minimist": {
+              "version": "1.2.0",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+              "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+            }
+          }
+        },
         "create-ecdh": {
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
           "integrity": "sha512-GbEHQPMOswGpKXM9kCWVrremUcBmjteUaQ01T9rkKCPDXfUHX0IoP9LpHYo2NPFampa4e+/pFDc3jQdxrxQLaw==",
-          "optional": true,
           "requires": {
             "bn.js": "^4.1.0",
             "elliptic": "^6.0.0"
@@ -2314,6 +3336,15 @@
             "sha.js": "^2.4.8"
           }
         },
+        "cross-env": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/cross-env/-/cross-env-5.2.0.tgz",
+          "integrity": "sha512-jtdNFfFW1hB7sMhr/H6rW1Z45LFqyI431m3qU6bFXcQ3Eh7LtBuG3h74o7ohHZ3crrRkkqHlo4jYHFPcjroANg==",
+          "requires": {
+            "cross-spawn": "^6.0.5",
+            "is-windows": "^1.0.0"
+          }
+        },
         "cross-fetch": {
           "version": "2.2.3",
           "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.3.tgz",
@@ -2323,11 +3354,29 @@
             "whatwg-fetch": "2.0.4"
           }
         },
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.6.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+              "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+            }
+          }
+        },
         "crypto-browserify": {
           "version": "3.12.0",
           "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
           "integrity": "sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==",
-          "optional": true,
           "requires": {
             "browserify-cipher": "^1.0.0",
             "browserify-sign": "^4.0.0",
@@ -2342,6 +3391,11 @@
             "randomfill": "^1.0.3"
           }
         },
+        "cyclist": {
+          "version": "0.2.2",
+          "resolved": "https://registry.npmjs.org/cyclist/-/cyclist-0.2.2.tgz",
+          "integrity": "sha1-GzN5LhHpFKL9bW7WRHRkRE5fpkA="
+        },
         "dashdash": {
           "version": "1.14.1",
           "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -2350,6 +3404,16 @@
             "assert-plus": "^1.0.0"
           }
         },
+        "date-fns": {
+          "version": "1.30.1",
+          "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-1.30.1.tgz",
+          "integrity": "sha512-hBSVCvSmWC+QypYObzwGOd9wqdDpOt+0wl0KbU+R+uuZBS1jN8VsD1ss3irQDknRj5NvxiTF6oj/nDRnN/UQNw=="
+        },
+        "date-now": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/date-now/-/date-now-0.1.4.tgz",
+          "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs="
+        },
         "debug": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
@@ -2396,6 +3460,7 @@
           "version": "3.3.0",
           "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
           "integrity": "sha1-gKTdMjdIOEv6JICDYirt7Jgq3/M=",
+          "optional": true,
           "requires": {
             "mimic-response": "^1.0.0"
           }
@@ -2404,6 +3469,7 @@
           "version": "4.1.1",
           "resolved": "https://registry.npmjs.org/decompress-tar/-/decompress-tar-4.1.1.tgz",
           "integrity": "sha512-JdJMaCrGpB5fESVyxwpCx4Jdj2AagLmv3y58Qy4GE6HMVjWz1FeVQk1Ct4Kye7PftcdOo/7U7UKzYBJgqnGeUQ==",
+          "optional": true,
           "requires": {
             "file-type": "^5.2.0",
             "is-stream": "^1.1.0",
@@ -2478,11 +3544,21 @@
             }
           }
         },
+        "dedent": {
+          "version": "0.7.0",
+          "resolved": "https://registry.npmjs.org/dedent/-/dedent-0.7.0.tgz",
+          "integrity": "sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw="
+        },
         "deep-equal": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.0.1.tgz",
           "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU="
         },
+        "deep-is": {
+          "version": "0.1.3",
+          "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+          "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ="
+        },
         "deferred-leveldown": {
           "version": "1.2.2",
           "resolved": "https://registry.npmjs.org/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz",
@@ -2516,11 +3592,68 @@
             }
           }
         },
+        "define-property": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/define-property/-/define-property-2.0.2.tgz",
+          "integrity": "sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==",
+          "requires": {
+            "is-descriptor": "^1.0.2",
+            "isobject": "^3.0.1"
+          },
+          "dependencies": {
+            "is-accessor-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+              "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-data-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+              "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-descriptor": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+              "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+              "requires": {
+                "is-accessor-descriptor": "^1.0.0",
+                "is-data-descriptor": "^1.0.0",
+                "kind-of": "^6.0.2"
+              }
+            }
+          }
+        },
         "defined": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/defined/-/defined-1.0.0.tgz",
           "integrity": "sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM="
         },
+        "del": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/del/-/del-3.0.0.tgz",
+          "integrity": "sha1-U+z2mf/LyzljdpGrE7rxYIGXZuU=",
+          "requires": {
+            "globby": "^6.1.0",
+            "is-path-cwd": "^1.0.0",
+            "is-path-in-cwd": "^1.0.0",
+            "p-map": "^1.1.1",
+            "pify": "^3.0.0",
+            "rimraf": "^2.2.8"
+          },
+          "dependencies": {
+            "pify": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+              "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+            }
+          }
+        },
         "delayed-stream": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
@@ -2529,13 +3662,13 @@
         "depd": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-          "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
+          "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+          "optional": true
         },
         "des.js": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/des.js/-/des.js-1.0.0.tgz",
           "integrity": "sha1-wHTS4qpqipoH29YfmhXCzYPsjsw=",
-          "optional": true,
           "requires": {
             "inherits": "^2.0.1",
             "minimalistic-assert": "^1.0.0"
@@ -2544,7 +3677,8 @@
         "destroy": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
-          "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
+          "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=",
+          "optional": true
         },
         "detect-indent": {
           "version": "4.0.0",
@@ -2554,22 +3688,39 @@
             "repeating": "^2.0.0"
           }
         },
+        "diff": {
+          "version": "3.5.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+          "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA=="
+        },
         "diffie-hellman": {
           "version": "5.0.3",
           "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
           "integrity": "sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==",
-          "optional": true,
           "requires": {
             "bn.js": "^4.1.0",
             "miller-rabin": "^4.0.0",
             "randombytes": "^2.0.0"
           }
         },
+        "doctrine": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.1.0.tgz",
+          "integrity": "sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==",
+          "requires": {
+            "esutils": "^2.0.2"
+          }
+        },
         "dom-walk": {
           "version": "0.1.1",
           "resolved": "https://registry.npmjs.org/dom-walk/-/dom-walk-0.1.1.tgz",
           "integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg="
         },
+        "domain-browser": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/domain-browser/-/domain-browser-1.2.0.tgz",
+          "integrity": "sha512-jnjyiM6eRyZl2H+W8Q/zLMA481hzi0eszAaBUzIVnmYVDBbnLxVNnfu1HgEBvCbL+71FrxMl3E6lpKH7Ge3OXA=="
+        },
         "drbg.js": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
@@ -2583,7 +3734,19 @@
         "duplexer3": {
           "version": "0.1.4",
           "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
-          "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI="
+          "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
+          "optional": true
+        },
+        "duplexify": {
+          "version": "3.7.1",
+          "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.7.1.tgz",
+          "integrity": "sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==",
+          "requires": {
+            "end-of-stream": "^1.0.0",
+            "inherits": "^2.0.1",
+            "readable-stream": "^2.0.0",
+            "stream-shift": "^1.0.0"
+          }
         },
         "ecc-jsbn": {
           "version": "0.1.2",
@@ -2597,13 +3760,19 @@
         "ee-first": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
-          "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
+          "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
+          "optional": true
         },
         "electron-to-chromium": {
           "version": "1.3.113",
           "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.113.tgz",
           "integrity": "sha512-De+lPAxEcpxvqPTyZAXELNpRZXABRxf+uL/rSykstQhzj/B0l1150G/ExIIxKc16lI89Hgz81J0BHAcbTqK49g=="
         },
+        "elegant-spinner": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/elegant-spinner/-/elegant-spinner-1.0.1.tgz",
+          "integrity": "sha1-2wQ1IcldfjA/2PNFvtwzSc+wcp4="
+        },
         "elliptic": {
           "version": "6.4.1",
           "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
@@ -2618,10 +3787,21 @@
             "minimalistic-crypto-utils": "^1.0.0"
           }
         },
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
+        },
+        "emojis-list": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
+          "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k="
+        },
         "encodeurl": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-          "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
+          "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+          "optional": true
         },
         "encoding": {
           "version": "0.1.12",
@@ -2661,6 +3841,16 @@
             "once": "^1.4.0"
           }
         },
+        "enhanced-resolve": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
+          "integrity": "sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "memory-fs": "^0.4.0",
+            "tapable": "^1.0.0"
+          }
+        },
         "errno": {
           "version": "0.1.7",
           "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.7.tgz",
@@ -2710,37 +3900,382 @@
         "escape-html": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
-          "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
+          "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=",
+          "optional": true
         },
         "escape-string-regexp": {
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
           "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
         },
-        "esutils": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
-          "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
-        },
-        "etag": {
-          "version": "1.8.1",
-          "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
-          "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
-        },
-        "eth-block-tracker": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz",
-          "integrity": "sha512-WUVxWLuhMmsfenfZvFO5sbl1qFY2IqUlw/FPVmjjdElpqLsZtSG+wPe9Dz7W/sB6e80HgFKknOmKk2eNlznHug==",
-          "requires": {
-            "eth-query": "^2.1.0",
-            "ethereumjs-tx": "^1.3.3",
-            "ethereumjs-util": "^5.1.3",
-            "ethjs-util": "^0.1.3",
-            "json-rpc-engine": "^3.6.0",
-            "pify": "^2.3.0",
-            "tape": "^4.6.3"
-          },
-          "dependencies": {
+        "eslint": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.7.0.tgz",
+          "integrity": "sha512-zYCeFQahsxffGl87U2aJ7DPyH8CbWgxBC213Y8+TCanhUTf2gEvfq3EKpHmEcozTLyPmGe9LZdMAwC/CpJBM5A==",
+          "requires": {
+            "@babel/code-frame": "^7.0.0",
+            "ajv": "^6.5.3",
+            "chalk": "^2.1.0",
+            "cross-spawn": "^6.0.5",
+            "debug": "^4.0.1",
+            "doctrine": "^2.1.0",
+            "eslint-scope": "^4.0.0",
+            "eslint-utils": "^1.3.1",
+            "eslint-visitor-keys": "^1.0.0",
+            "espree": "^4.0.0",
+            "esquery": "^1.0.1",
+            "esutils": "^2.0.2",
+            "file-entry-cache": "^2.0.0",
+            "functional-red-black-tree": "^1.0.1",
+            "glob": "^7.1.2",
+            "globals": "^11.7.0",
+            "ignore": "^4.0.6",
+            "imurmurhash": "^0.1.4",
+            "inquirer": "^6.1.0",
+            "is-resolvable": "^1.1.0",
+            "js-yaml": "^3.12.0",
+            "json-stable-stringify-without-jsonify": "^1.0.1",
+            "levn": "^0.3.0",
+            "lodash": "^4.17.5",
+            "minimatch": "^3.0.4",
+            "mkdirp": "^0.5.1",
+            "natural-compare": "^1.4.0",
+            "optionator": "^0.8.2",
+            "path-is-inside": "^1.0.2",
+            "pluralize": "^7.0.0",
+            "progress": "^2.0.0",
+            "regexpp": "^2.0.1",
+            "require-uncached": "^1.0.3",
+            "semver": "^5.5.1",
+            "strip-ansi": "^4.0.0",
+            "strip-json-comments": "^2.0.1",
+            "table": "^5.0.2",
+            "text-table": "^0.2.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+            },
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "debug": {
+              "version": "4.1.1",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+              "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            },
+            "globals": {
+              "version": "11.11.0",
+              "resolved": "https://registry.npmjs.org/globals/-/globals-11.11.0.tgz",
+              "integrity": "sha512-WHq43gS+6ufNOEqlrDBxVEbb8ntfXrfAUU2ZOpCxrBdGKW3gyv8mCxAfIBD0DroPKGrJ2eSsXsLtY9MPntsyTw=="
+            },
+            "ms": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+              "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+            },
+            "semver": {
+              "version": "5.6.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+              "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "eslint-config-standard": {
+          "version": "12.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-config-standard/-/eslint-config-standard-12.0.0.tgz",
+          "integrity": "sha512-COUz8FnXhqFitYj4DTqHzidjIL/t4mumGZto5c7DrBpvWoie+Sn3P4sLEzUGeYhRElWuFEf8K1S1EfvD1vixCQ=="
+        },
+        "eslint-import-resolver-node": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz",
+          "integrity": "sha512-sfmTqJfPSizWu4aymbPr4Iidp5yKm8yDkHp+Ir3YiTHiiDfxh69mOUsmiqW6RZ9zRXFaF64GtYmN7e+8GHBv6Q==",
+          "requires": {
+            "debug": "^2.6.9",
+            "resolve": "^1.5.0"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            }
+          }
+        },
+        "eslint-module-utils": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/eslint-module-utils/-/eslint-module-utils-2.3.0.tgz",
+          "integrity": "sha512-lmDJgeOOjk8hObTysjqH7wyMi+nsHwwvfBykwfhjR1LNdd7C2uFJBvx4OpWYpXOw4df1yE1cDEVd1yLHitk34w==",
+          "requires": {
+            "debug": "^2.6.8",
+            "pkg-dir": "^2.0.0"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            }
+          }
+        },
+        "eslint-plugin-es": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-es/-/eslint-plugin-es-1.4.0.tgz",
+          "integrity": "sha512-XfFmgFdIUDgvaRAlaXUkxrRg5JSADoRC8IkKLc/cISeR3yHVMefFHQZpcyXXEUUPHfy5DwviBcrfqlyqEwlQVw==",
+          "requires": {
+            "eslint-utils": "^1.3.0",
+            "regexpp": "^2.0.1"
+          }
+        },
+        "eslint-plugin-import": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.14.0.tgz",
+          "integrity": "sha512-FpuRtniD/AY6sXByma2Wr0TXvXJ4nA/2/04VPlfpmUDPOpOY264x+ILiwnrk/k4RINgDAyFZByxqPUbSQ5YE7g==",
+          "requires": {
+            "contains-path": "^0.1.0",
+            "debug": "^2.6.8",
+            "doctrine": "1.5.0",
+            "eslint-import-resolver-node": "^0.3.1",
+            "eslint-module-utils": "^2.2.0",
+            "has": "^1.0.1",
+            "lodash": "^4.17.4",
+            "minimatch": "^3.0.3",
+            "read-pkg-up": "^2.0.0",
+            "resolve": "^1.6.0"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "doctrine": {
+              "version": "1.5.0",
+              "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+              "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
+              "requires": {
+                "esutils": "^2.0.2",
+                "isarray": "^1.0.0"
+              }
+            },
+            "find-up": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+              "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+              "requires": {
+                "locate-path": "^2.0.0"
+              }
+            },
+            "isarray": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+              "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+            },
+            "load-json-file": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+              "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
+              "requires": {
+                "graceful-fs": "^4.1.2",
+                "parse-json": "^2.2.0",
+                "pify": "^2.0.0",
+                "strip-bom": "^3.0.0"
+              }
+            },
+            "path-type": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
+              "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
+              "requires": {
+                "pify": "^2.0.0"
+              }
+            },
+            "pify": {
+              "version": "2.3.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+            },
+            "read-pkg": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
+              "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+              "requires": {
+                "load-json-file": "^2.0.0",
+                "normalize-package-data": "^2.3.2",
+                "path-type": "^2.0.0"
+              }
+            },
+            "read-pkg-up": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
+              "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+              "requires": {
+                "find-up": "^2.0.0",
+                "read-pkg": "^2.0.0"
+              }
+            },
+            "strip-bom": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+              "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM="
+            }
+          }
+        },
+        "eslint-plugin-node": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-node/-/eslint-plugin-node-7.0.1.tgz",
+          "integrity": "sha512-lfVw3TEqThwq0j2Ba/Ckn2ABdwmL5dkOgAux1rvOk6CO7A6yGyPI2+zIxN6FyNkp1X1X/BSvKOceD6mBWSj4Yw==",
+          "requires": {
+            "eslint-plugin-es": "^1.3.1",
+            "eslint-utils": "^1.3.1",
+            "ignore": "^4.0.2",
+            "minimatch": "^3.0.4",
+            "resolve": "^1.8.1",
+            "semver": "^5.5.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.6.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+              "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+            }
+          }
+        },
+        "eslint-plugin-promise": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-promise/-/eslint-plugin-promise-4.0.1.tgz",
+          "integrity": "sha512-Si16O0+Hqz1gDHsys6RtFRrW7cCTB6P7p3OJmKp3Y3dxpQE2qwOA7d3xnV+0mBmrPoi0RBnxlCKvqu70te6wjg=="
+        },
+        "eslint-plugin-standard": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-plugin-standard/-/eslint-plugin-standard-4.0.0.tgz",
+          "integrity": "sha512-OwxJkR6TQiYMmt1EsNRMe5qG3GsbjlcOhbGUBY4LtavF9DsLaTcoR+j2Tdjqi23oUwKNUqX7qcn5fPStafMdlA=="
+        },
+        "eslint-scope": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.0.tgz",
+          "integrity": "sha512-1G6UTDi7Jc1ELFwnR58HV4fK9OQK4S6N985f166xqXxpjU6plxFISJa2Ba9KCQuFa8RCnj/lSFJbHo7UFDBnUA==",
+          "requires": {
+            "esrecurse": "^4.1.0",
+            "estraverse": "^4.1.1"
+          }
+        },
+        "eslint-utils": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
+          "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q=="
+        },
+        "eslint-visitor-keys": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
+          "integrity": "sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ=="
+        },
+        "espree": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/espree/-/espree-4.1.0.tgz",
+          "integrity": "sha512-I5BycZW6FCVIub93TeVY1s7vjhP9CY6cXCznIRfiig7nRviKZYdRnj/sHEWC6A7WE9RDWOFq9+7OsWSYz8qv2w==",
+          "requires": {
+            "acorn": "^6.0.2",
+            "acorn-jsx": "^5.0.0",
+            "eslint-visitor-keys": "^1.0.0"
+          }
+        },
+        "esprima": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
+        },
+        "esquery": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
+          "integrity": "sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==",
+          "requires": {
+            "estraverse": "^4.0.0"
+          }
+        },
+        "esrecurse": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.2.1.tgz",
+          "integrity": "sha512-64RBB++fIOAXPw3P9cy89qfMlvZEXZkqqJkjqqXIvzP5ezRZjW+lPWjw35UX/3EhUPFYbg5ER4JYgDw4007/DQ==",
+          "requires": {
+            "estraverse": "^4.1.0"
+          }
+        },
+        "estraverse": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
+          "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM="
+        },
+        "esutils": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
+          "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
+        },
+        "etag": {
+          "version": "1.8.1",
+          "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
+          "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=",
+          "optional": true
+        },
+        "eth-block-tracker": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/eth-block-tracker/-/eth-block-tracker-3.0.1.tgz",
+          "integrity": "sha512-WUVxWLuhMmsfenfZvFO5sbl1qFY2IqUlw/FPVmjjdElpqLsZtSG+wPe9Dz7W/sB6e80HgFKknOmKk2eNlznHug==",
+          "requires": {
+            "eth-query": "^2.1.0",
+            "ethereumjs-tx": "^1.3.3",
+            "ethereumjs-util": "^5.1.3",
+            "ethjs-util": "^0.1.3",
+            "json-rpc-engine": "^3.6.0",
+            "pify": "^2.3.0",
+            "tape": "^4.6.3"
+          },
+          "dependencies": {
             "pify": {
               "version": "2.3.0",
               "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -2803,6 +4338,7 @@
           "version": "0.1.27",
           "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.1.27.tgz",
           "integrity": "sha512-B8czsfkJYzn2UIEMwjc7Mbj+Cy72V+/OXH/tb44LV8jhrjizQJJ325xMOMyk3+ETa6r6oi0jsUY14+om8mQMWA==",
+          "optional": true,
           "requires": {
             "bn.js": "^4.11.6",
             "elliptic": "^6.4.0",
@@ -2882,6 +4418,16 @@
               "requires": {
                 "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
                 "ethereumjs-util": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereumjs-abi": {
+                  "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
+                  "requires": {
+                    "bn.js": "^4.10.0",
+                    "ethereumjs-util": "^5.0.0"
+                  }
+                }
               }
             },
             "ethereum-common": {
@@ -2893,24 +4439,7 @@
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
               "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
-                "bn.js": "^4.11.8",
-                "ethereumjs-util": "^6.0.0"
-              },
-              "dependencies": {
-                "ethereumjs-util": {
-                  "version": "6.1.0",
-                  "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-                  "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
-                  "requires": {
-                    "bn.js": "^4.11.0",
-                    "create-hash": "^1.1.2",
-                    "ethjs-util": "0.1.6",
-                    "keccak": "^1.0.2",
-                    "rlp": "^2.0.0",
-                    "safe-buffer": "^5.1.1",
-                    "secp256k1": "^3.0.1"
-                  }
-                }
+                "bn.js": "^4.11.8"
               }
             },
             "ethereumjs-block": {
@@ -3173,6 +4702,13 @@
                 "prr": "~1.0.1",
                 "semver": "~5.4.1",
                 "xtend": "~4.0.0"
+              },
+              "dependencies": {
+                "semver": {
+                  "version": "5.4.1",
+                  "resolved": "https://registry.npmjs.org/semver/-/semver-5.4.1.tgz",
+                  "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg=="
+                }
               }
             },
             "merkle-patricia-tree": {
@@ -3229,10 +4765,70 @@
             "uuid": "^3.3.2"
           }
         },
+        "ethers": {
+          "version": "4.0.26",
+          "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.26.tgz",
+          "integrity": "sha512-3hK4S8eAGhuWZ/feip5z17MswjGgjb4lEPJqWO/O0dNqToYLSHhvu6gGQPs8d9f+XfpEB2EYexfF0qjhWiZjUA==",
+          "requires": {
+            "@types/node": "^10.3.2",
+            "aes-js": "3.0.0",
+            "bn.js": "^4.4.0",
+            "elliptic": "6.3.3",
+            "hash.js": "1.1.3",
+            "js-sha3": "0.5.7",
+            "scrypt-js": "2.0.4",
+            "setimmediate": "1.0.4",
+            "uuid": "2.0.1",
+            "xmlhttprequest": "1.8.0"
+          },
+          "dependencies": {
+            "aes-js": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
+              "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
+            },
+            "elliptic": {
+              "version": "6.3.3",
+              "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.3.tgz",
+              "integrity": "sha1-VILZZG1UvLif19mU/J4ulWiHbj8=",
+              "requires": {
+                "bn.js": "^4.4.0",
+                "brorand": "^1.0.1",
+                "hash.js": "^1.0.0",
+                "inherits": "^2.0.1"
+              }
+            },
+            "hash.js": {
+              "version": "1.1.3",
+              "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.3.tgz",
+              "integrity": "sha512-/UETyP0W22QILqS+6HowevwhEFJ3MBJnwTf75Qob9Wz9t0DPuisL8kW8YZMK62dHAKE1c1p+gY1TtOLY+USEHA==",
+              "requires": {
+                "inherits": "^2.0.3",
+                "minimalistic-assert": "^1.0.0"
+              }
+            },
+            "js-sha3": {
+              "version": "0.5.7",
+              "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
+              "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
+            },
+            "setimmediate": {
+              "version": "1.0.4",
+              "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
+              "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
+            },
+            "uuid": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
+              "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w="
+            }
+          }
+        },
         "ethjs-unit": {
           "version": "0.1.6",
           "resolved": "https://registry.npmjs.org/ethjs-unit/-/ethjs-unit-0.1.6.tgz",
           "integrity": "sha1-xmWSHkduh7ziqdWIpv4EBbLEFpk=",
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "number-to-bn": "1.7.0"
@@ -3241,7 +4837,8 @@
             "bn.js": {
               "version": "4.11.6",
               "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
+              "optional": true
             }
           }
         },
@@ -3257,7 +4854,8 @@
         "eventemitter3": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-1.1.1.tgz",
-          "integrity": "sha1-R3hr2qCHyvext15zq8XH1UAVjNA="
+          "integrity": "sha1-R3hr2qCHyvext15zq8XH1UAVjNA=",
+          "optional": true
         },
         "events": {
           "version": "3.0.0",
@@ -3273,23 +4871,88 @@
             "safe-buffer": "^5.1.1"
           }
         },
-        "express": {
-          "version": "4.16.4",
-          "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
-          "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
+        "execa": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
           "requires": {
-            "accepts": "~1.3.5",
-            "array-flatten": "1.1.1",
-            "body-parser": "1.18.3",
-            "content-disposition": "0.5.2",
-            "content-type": "~1.0.4",
-            "cookie": "0.3.1",
-            "cookie-signature": "1.0.6",
-            "debug": "2.6.9",
-            "depd": "~1.1.2",
-            "encodeurl": "~1.0.2",
-            "escape-html": "~1.0.3",
-            "etag": "~1.8.1",
+            "cross-spawn": "^6.0.0",
+            "get-stream": "^4.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          },
+          "dependencies": {
+            "get-stream": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
+              "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
+              "requires": {
+                "pump": "^3.0.0"
+              }
+            }
+          }
+        },
+        "expand-brackets": {
+          "version": "2.1.4",
+          "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-2.1.4.tgz",
+          "integrity": "sha1-t3c14xXOMPa27/D4OwQVGiJEliI=",
+          "requires": {
+            "debug": "^2.3.3",
+            "define-property": "^0.2.5",
+            "extend-shallow": "^2.0.1",
+            "posix-character-classes": "^0.1.0",
+            "regex-not": "^1.0.0",
+            "snapdragon": "^0.8.1",
+            "to-regex": "^3.0.1"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "define-property": {
+              "version": "0.2.5",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+              "requires": {
+                "is-descriptor": "^0.1.0"
+              }
+            },
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            }
+          }
+        },
+        "express": {
+          "version": "4.16.4",
+          "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
+          "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
+          "optional": true,
+          "requires": {
+            "accepts": "~1.3.5",
+            "array-flatten": "1.1.1",
+            "body-parser": "1.18.3",
+            "content-disposition": "0.5.2",
+            "content-type": "~1.0.4",
+            "cookie": "0.3.1",
+            "cookie-signature": "1.0.6",
+            "debug": "2.6.9",
+            "depd": "~1.1.2",
+            "encodeurl": "~1.0.2",
+            "escape-html": "~1.0.3",
+            "etag": "~1.8.1",
             "finalhandler": "1.1.1",
             "fresh": "0.5.2",
             "merge-descriptors": "1.0.1",
@@ -3314,6 +4977,7 @@
               "version": "2.6.9",
               "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
               "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
@@ -3321,7 +4985,8 @@
             "statuses": {
               "version": "1.4.0",
               "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+              "optional": true
             }
           }
         },
@@ -3330,6 +4995,104 @@
           "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
           "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
         },
+        "extend-shallow": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz",
+          "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=",
+          "requires": {
+            "assign-symbols": "^1.0.0",
+            "is-extendable": "^1.0.1"
+          },
+          "dependencies": {
+            "is-extendable": {
+              "version": "1.0.1",
+              "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
+              "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
+              "requires": {
+                "is-plain-object": "^2.0.4"
+              }
+            }
+          }
+        },
+        "external-editor": {
+          "version": "3.0.3",
+          "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.0.3.tgz",
+          "integrity": "sha512-bn71H9+qWoOQKyZDo25mOMVpSmXROAsTJVVVYzrrtol3d4y+AsKjf4Iwl2Q+IuT0kFSQ1qo166UuIwqYq7mGnA==",
+          "requires": {
+            "chardet": "^0.7.0",
+            "iconv-lite": "^0.4.24",
+            "tmp": "^0.0.33"
+          },
+          "dependencies": {
+            "iconv-lite": {
+              "version": "0.4.24",
+              "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+              "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+              "requires": {
+                "safer-buffer": ">= 2.1.2 < 3"
+              }
+            }
+          }
+        },
+        "extglob": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/extglob/-/extglob-2.0.4.tgz",
+          "integrity": "sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==",
+          "requires": {
+            "array-unique": "^0.3.2",
+            "define-property": "^1.0.0",
+            "expand-brackets": "^2.1.4",
+            "extend-shallow": "^2.0.1",
+            "fragment-cache": "^0.2.1",
+            "regex-not": "^1.0.0",
+            "snapdragon": "^0.8.1",
+            "to-regex": "^3.0.1"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+              "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+              "requires": {
+                "is-descriptor": "^1.0.0"
+              }
+            },
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            },
+            "is-accessor-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+              "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-data-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+              "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-descriptor": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+              "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+              "requires": {
+                "is-accessor-descriptor": "^1.0.0",
+                "is-data-descriptor": "^1.0.0",
+                "kind-of": "^6.0.2"
+              }
+            }
+          }
+        },
         "extsprintf": {
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
@@ -3353,6 +5116,11 @@
           "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
           "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
         },
+        "fast-levenshtein": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
+          "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc="
+        },
         "fd-slicer": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
@@ -3381,20 +5149,65 @@
             }
           }
         },
+        "figures": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
+          "integrity": "sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=",
+          "requires": {
+            "escape-string-regexp": "^1.0.5"
+          }
+        },
+        "file-entry-cache": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/file-entry-cache/-/file-entry-cache-2.0.0.tgz",
+          "integrity": "sha1-w5KZDD5oR4PYOLjISkXYoEhFg2E=",
+          "requires": {
+            "flat-cache": "^1.2.1",
+            "object-assign": "^4.0.1"
+          }
+        },
         "file-type": {
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/file-type/-/file-type-5.2.0.tgz",
-          "integrity": "sha1-LdvqfHP/42No365J3DOMBYwritY="
+          "integrity": "sha1-LdvqfHP/42No365J3DOMBYwritY=",
+          "optional": true
         },
         "file-uri-to-path": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
           "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
         },
+        "filesize": {
+          "version": "3.6.1",
+          "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
+          "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg=="
+        },
+        "fill-range": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
+          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
+          "requires": {
+            "extend-shallow": "^2.0.1",
+            "is-number": "^3.0.0",
+            "repeat-string": "^1.6.1",
+            "to-regex-range": "^2.1.0"
+          },
+          "dependencies": {
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            }
+          }
+        },
         "finalhandler": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
           "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
+          "optional": true,
           "requires": {
             "debug": "2.6.9",
             "encodeurl": "~1.0.2",
@@ -3409,6 +5222,7 @@
               "version": "2.6.9",
               "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
               "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
@@ -3416,10 +5230,26 @@
             "statuses": {
               "version": "1.4.0",
               "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+              "optional": true
             }
           }
         },
+        "find-cache-dir": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-1.0.0.tgz",
+          "integrity": "sha1-kojj6ePMN0hxfTnq3hfPcfww7m8=",
+          "requires": {
+            "commondir": "^1.0.1",
+            "make-dir": "^1.0.0",
+            "pkg-dir": "^2.0.0"
+          }
+        },
+        "find-parent-dir": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/find-parent-dir/-/find-parent-dir-0.3.0.tgz",
+          "integrity": "sha1-M8RLQpqysvBkYpnF+fcY83b/jVQ="
+        },
         "find-up": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
@@ -3429,6 +5259,31 @@
             "pinkie-promise": "^2.0.0"
           }
         },
+        "flat-cache": {
+          "version": "1.3.4",
+          "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-1.3.4.tgz",
+          "integrity": "sha512-VwyB3Lkgacfik2vhqR4uv2rvebqmDvFu4jlN/C1RzWoJEo8I7z4Q404oiqYCkq41mni8EzQnm95emU9seckwtg==",
+          "requires": {
+            "circular-json": "^0.3.1",
+            "graceful-fs": "^4.1.2",
+            "rimraf": "~2.6.2",
+            "write": "^0.2.1"
+          }
+        },
+        "flush-write-stream": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/flush-write-stream/-/flush-write-stream-1.1.1.tgz",
+          "integrity": "sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "readable-stream": "^2.3.6"
+          }
+        },
+        "fn-name": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/fn-name/-/fn-name-2.0.1.tgz",
+          "integrity": "sha1-UhTXU3pNBqSjAcDMJi/rhBiAAuc="
+        },
         "for-each": {
           "version": "0.3.3",
           "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.3.tgz",
@@ -3437,6 +5292,11 @@
             "is-callable": "^1.1.3"
           }
         },
+        "for-in": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
+          "integrity": "sha1-gQaNKVqBQuwKxybG4iAMMPttXoA="
+        },
         "forever-agent": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
@@ -3455,22 +5315,43 @@
         "forwarded": {
           "version": "0.1.2",
           "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
-          "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+          "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
+          "optional": true
+        },
+        "fragment-cache": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/fragment-cache/-/fragment-cache-0.2.1.tgz",
+          "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
+          "requires": {
+            "map-cache": "^0.2.2"
+          }
         },
         "fresh": {
           "version": "0.5.2",
           "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-          "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+          "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+          "optional": true
+        },
+        "from2": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/from2/-/from2-2.3.0.tgz",
+          "integrity": "sha1-i/tVAr3kpNNs/e6gB/zKIdfjgq8=",
+          "requires": {
+            "inherits": "^2.0.1",
+            "readable-stream": "^2.0.0"
+          }
         },
         "fs-constants": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
-          "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
+          "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
+          "optional": true
         },
         "fs-extra": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-2.1.2.tgz",
           "integrity": "sha1-BGxwFjzvmq1GsOSn+kZ/si1x3jU=",
+          "optional": true,
           "requires": {
             "graceful-fs": "^4.1.2",
             "jsonfile": "^2.1.0"
@@ -3488,14 +5369,27 @@
             "thenify-all": "^1.6.0"
           }
         },
+        "fs-write-stream-atomic": {
+          "version": "1.0.10",
+          "resolved": "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz",
+          "integrity": "sha1-tH31NJPvkR33VzHnCp3tAYnbQMk=",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "iferr": "^0.1.5",
+            "imurmurhash": "^0.1.4",
+            "readable-stream": "1 || 2"
+          }
+        },
         "fs.realpath": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
           "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
         },
         "fsevents": {
-          "version": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.7.tgz",
+          "version": "1.2.7",
+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.7.tgz",
           "integrity": "sha512-Pxm6sI2MeBD7RdD12RYsqaP0nMiwx8eZBXCa6z2L+mRHm2DYrOYwihmhjpkdjUHwQhslWQjRpEgNq4XvBmaAuw==",
+          "optional": true,
           "requires": {
             "nan": "^2.9.2",
             "node-pre-gyp": "^0.10.0"
@@ -3503,23 +5397,23 @@
           "dependencies": {
             "abbrev": {
               "version": "1.1.1",
-              "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-              "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+              "bundled": true,
+              "optional": true
             },
             "ansi-regex": {
               "version": "2.1.1",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-              "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+              "bundled": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
-              "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-              "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+              "bundled": true,
+              "optional": true
             },
             "are-we-there-yet": {
               "version": "1.1.5",
-              "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
-              "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "delegates": "^1.0.0",
                 "readable-stream": "^2.0.6"
@@ -3527,13 +5421,13 @@
             },
             "balanced-match": {
               "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-              "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+              "bundled": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
-              "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-              "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -3541,69 +5435,69 @@
             },
             "chownr": {
               "version": "1.1.1",
-              "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-              "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
+              "bundled": true,
+              "optional": true
             },
             "code-point-at": {
               "version": "1.1.0",
-              "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-              "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+              "bundled": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
-              "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-              "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+              "bundled": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
-              "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-              "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+              "bundled": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-              "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+              "bundled": true,
+              "optional": true
             },
             "debug": {
               "version": "2.6.9",
-              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
             },
             "deep-extend": {
               "version": "0.6.0",
-              "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-              "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
+              "bundled": true,
+              "optional": true
             },
             "delegates": {
               "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
-              "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+              "bundled": true,
+              "optional": true
             },
             "detect-libc": {
               "version": "1.0.3",
-              "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
-              "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+              "bundled": true,
+              "optional": true
             },
             "fs-minipass": {
               "version": "1.2.5",
-              "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
-              "integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
             },
             "fs.realpath": {
               "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-              "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+              "bundled": true,
+              "optional": true
             },
             "gauge": {
               "version": "2.7.4",
-              "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
-              "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "aproba": "^1.0.3",
                 "console-control-strings": "^1.0.0",
@@ -3617,8 +5511,8 @@
             },
             "glob": {
               "version": "7.1.3",
-              "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
-              "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "fs.realpath": "^1.0.0",
                 "inflight": "^1.0.4",
@@ -3630,29 +5524,29 @@
             },
             "has-unicode": {
               "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
-              "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+              "bundled": true,
+              "optional": true
             },
             "iconv-lite": {
               "version": "0.4.24",
-              "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
-              "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "safer-buffer": ">= 2.1.2 < 3"
               }
             },
             "ignore-walk": {
               "version": "3.0.1",
-              "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.1.tgz",
-              "integrity": "sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "minimatch": "^3.0.4"
               }
             },
             "inflight": {
               "version": "1.0.6",
-              "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
-              "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "once": "^1.3.0",
                 "wrappy": "1"
@@ -3660,44 +5554,44 @@
             },
             "inherits": {
               "version": "2.0.3",
-              "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-              "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+              "bundled": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
-              "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-              "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw=="
+              "bundled": true,
+              "optional": true
             },
             "is-fullwidth-code-point": {
               "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-              "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
             },
             "isarray": {
               "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-              "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+              "bundled": true,
+              "optional": true
             },
             "minimatch": {
               "version": "3.0.4",
-              "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-              "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
             },
             "minimist": {
               "version": "0.0.8",
-              "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-              "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+              "bundled": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
-              "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-              "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -3705,29 +5599,29 @@
             },
             "minizlib": {
               "version": "1.2.1",
-              "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.1.tgz",
-              "integrity": "sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
             },
             "mkdirp": {
               "version": "0.5.1",
-              "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-              "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
             },
             "ms": {
               "version": "2.0.0",
-              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+              "bundled": true,
+              "optional": true
             },
             "needle": {
               "version": "2.2.4",
-              "resolved": "https://registry.npmjs.org/needle/-/needle-2.2.4.tgz",
-              "integrity": "sha512-HyoqEb4wr/rsoaIDfTH2aVL9nWtQqba2/HvMv+++m8u0dz808MaagKILxtfeSN7QU7nvbQ79zk3vYOJp9zsNEA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "debug": "^2.1.2",
                 "iconv-lite": "^0.4.4",
@@ -3736,8 +5630,8 @@
             },
             "node-pre-gyp": {
               "version": "0.10.3",
-              "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.10.3.tgz",
-              "integrity": "sha512-d1xFs+C/IPS8Id0qPTZ4bUT8wWryfR/OzzAFxweG+uLN85oPzyo2Iw6bVlLQ/JOdgNonXLCoRyqDzDWq4iw72A==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "detect-libc": "^1.0.2",
                 "mkdirp": "^0.5.1",
@@ -3753,8 +5647,8 @@
             },
             "nopt": {
               "version": "4.0.1",
-              "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.1.tgz",
-              "integrity": "sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "abbrev": "1",
                 "osenv": "^0.1.4"
@@ -3762,13 +5656,13 @@
             },
             "npm-bundled": {
               "version": "1.0.5",
-              "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.0.5.tgz",
-              "integrity": "sha512-m/e6jgWu8/v5niCUKQi9qQl8QdeEduFA96xHDDzFGqly0OOjI7c+60KM/2sppfnUU9JJagf+zs+yGhqSOFj71g=="
+              "bundled": true,
+              "optional": true
             },
             "npm-packlist": {
               "version": "1.2.0",
-              "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.2.0.tgz",
-              "integrity": "sha512-7Mni4Z8Xkx0/oegoqlcao/JpPCPEMtUvsmB0q7mgvlMinykJLSRTYuFqoQLYgGY8biuxIeiHO+QNJKbCfljewQ==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "ignore-walk": "^3.0.1",
                 "npm-bundled": "^1.0.1"
@@ -3776,8 +5670,8 @@
             },
             "npmlog": {
               "version": "4.1.2",
-              "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
-              "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "are-we-there-yet": "~1.1.2",
                 "console-control-strings": "~1.1.0",
@@ -3787,36 +5681,36 @@
             },
             "number-is-nan": {
               "version": "1.0.1",
-              "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-              "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+              "bundled": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
-              "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-              "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+              "bundled": true,
+              "optional": true
             },
             "once": {
               "version": "1.4.0",
-              "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
-              "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
             },
             "os-homedir": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-              "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
+              "bundled": true,
+              "optional": true
             },
             "os-tmpdir": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
-              "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
+              "bundled": true,
+              "optional": true
             },
             "osenv": {
               "version": "0.1.5",
-              "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
-              "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "os-homedir": "^1.0.0",
                 "os-tmpdir": "^1.0.0"
@@ -3824,18 +5718,18 @@
             },
             "path-is-absolute": {
               "version": "1.0.1",
-              "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-              "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+              "bundled": true,
+              "optional": true
             },
             "process-nextick-args": {
               "version": "2.0.0",
-              "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-              "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
+              "bundled": true,
+              "optional": true
             },
             "rc": {
               "version": "1.2.8",
-              "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
-              "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "deep-extend": "^0.6.0",
                 "ini": "~1.3.0",
@@ -3845,15 +5739,15 @@
               "dependencies": {
                 "minimist": {
                   "version": "1.2.0",
-                  "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-                  "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+                  "bundled": true,
+                  "optional": true
                 }
               }
             },
             "readable-stream": {
               "version": "2.3.6",
-              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-              "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "core-util-is": "~1.0.0",
                 "inherits": "~2.0.3",
@@ -3866,46 +5760,46 @@
             },
             "rimraf": {
               "version": "2.6.3",
-              "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
-              "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "glob": "^7.1.3"
               }
             },
             "safe-buffer": {
               "version": "5.1.2",
-              "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-              "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+              "bundled": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
-              "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-              "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+              "bundled": true,
+              "optional": true
             },
             "sax": {
               "version": "1.2.4",
-              "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-              "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+              "bundled": true,
+              "optional": true
             },
             "semver": {
               "version": "5.6.0",
-              "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
-              "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+              "bundled": true,
+              "optional": true
             },
             "set-blocking": {
               "version": "2.0.0",
-              "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-              "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
+              "bundled": true,
+              "optional": true
             },
             "signal-exit": {
               "version": "3.0.2",
-              "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-              "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
+              "bundled": true,
+              "optional": true
             },
             "string-width": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -3914,29 +5808,29 @@
             },
             "string_decoder": {
               "version": "1.1.1",
-              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-              "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "~5.1.0"
               }
             },
             "strip-ansi": {
               "version": "3.0.1",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-              "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
             },
             "strip-json-comments": {
               "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-              "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+              "bundled": true,
+              "optional": true
             },
             "tar": {
               "version": "4.4.8",
-              "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.8.tgz",
-              "integrity": "sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "chownr": "^1.1.1",
                 "fs-minipass": "^1.2.5",
@@ -3949,26 +5843,26 @@
             },
             "util-deprecate": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-              "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+              "bundled": true,
+              "optional": true
             },
             "wide-align": {
               "version": "1.1.3",
-              "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-              "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+              "bundled": true,
+              "optional": true,
               "requires": {
                 "string-width": "^1.0.2 || 2"
               }
             },
             "wrappy": {
               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-              "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+              "bundled": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
-              "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
-              "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+              "bundled": true,
+              "optional": true
             }
           }
         },
@@ -3976,6 +5870,7 @@
           "version": "1.0.11",
           "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
           "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+          "optional": true,
           "requires": {
             "graceful-fs": "^4.1.2",
             "inherits": "~2.0.0",
@@ -3993,15 +5888,41 @@
           "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
           "integrity": "sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc="
         },
-        "get-caller-file": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w=="
+        "g-status": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/g-status/-/g-status-2.0.2.tgz",
+          "integrity": "sha512-kQoE9qH+T1AHKgSSD0Hkv98bobE90ILQcXAF4wvGgsr7uFqNvwmh8j+Lq3l0RVt3E3HjSbv2B9biEGcEtpHLCA==",
+          "requires": {
+            "arrify": "^1.0.1",
+            "matcher": "^1.0.0",
+            "simple-git": "^1.85.0"
+          }
+        },
+        "get-caller-file": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
+          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w=="
+        },
+        "get-own-enumerable-property-symbols": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.0.tgz",
+          "integrity": "sha512-CIJYJC4GGF06TakLg8z4GQKvDsx9EMspVxOYih7LerEL/WosUnFIww45CGfxfeKHqlg3twgUrYRT1O3WQqjGCg=="
+        },
+        "get-stdin": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-6.0.0.tgz",
+          "integrity": "sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g=="
         },
         "get-stream": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
-          "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ="
+          "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ=",
+          "optional": true
+        },
+        "get-value": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/get-value/-/get-value-2.0.6.tgz",
+          "integrity": "sha1-3BXKHGcjh8p2vTesCjlbogQqLCg="
         },
         "getpass": {
           "version": "0.1.7",
@@ -4024,6 +5945,25 @@
             "path-is-absolute": "^1.0.0"
           }
         },
+        "glob-parent": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
+          "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
+          "requires": {
+            "is-glob": "^3.1.0",
+            "path-dirname": "^1.0.0"
+          },
+          "dependencies": {
+            "is-glob": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
+              "integrity": "sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=",
+              "requires": {
+                "is-extglob": "^2.1.0"
+              }
+            }
+          }
+        },
         "global": {
           "version": "4.3.2",
           "resolved": "https://registry.npmjs.org/global/-/global-4.3.2.tgz",
@@ -4033,15 +5973,40 @@
             "process": "~0.5.1"
           }
         },
+        "global-modules-path": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/global-modules-path/-/global-modules-path-2.3.1.tgz",
+          "integrity": "sha512-y+shkf4InI7mPRHSo2b/k6ix6+NLDtyccYv86whhxrSGX9wjPX1VMITmrDbE1eh7zkzhiWtW2sHklJYoQ62Cxg=="
+        },
         "globals": {
           "version": "9.18.0",
           "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
           "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ=="
         },
+        "globby": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
+          "requires": {
+            "array-union": "^1.0.1",
+            "glob": "^7.0.3",
+            "object-assign": "^4.0.1",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
+          },
+          "dependencies": {
+            "pify": {
+              "version": "2.3.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+            }
+          }
+        },
         "got": {
           "version": "7.1.0",
           "resolved": "https://registry.npmjs.org/got/-/got-7.1.0.tgz",
           "integrity": "sha512-Y5WMo7xKKq1muPsxD+KmrR8DH5auG7fBdDVueZwETwV6VytKyU9OX/ddpq2/1hp1vIPvVb4T81dKQz3BivkNLw==",
+          "optional": true,
           "requires": {
             "decompress-response": "^3.2.0",
             "duplexer3": "^0.1.4",
@@ -4069,6 +6034,11 @@
           "resolved": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz",
           "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU="
         },
+        "growl": {
+          "version": "1.10.5",
+          "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.5.tgz",
+          "integrity": "sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA=="
+        },
         "har-schema": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
@@ -4099,10 +6069,16 @@
             "ansi-regex": "^2.0.0"
           }
         },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
+        },
         "has-symbol-support-x": {
           "version": "1.4.2",
           "resolved": "https://registry.npmjs.org/has-symbol-support-x/-/has-symbol-support-x-1.4.2.tgz",
-          "integrity": "sha512-3ToOva++HaW+eCpgqZrCfN51IPB+7bJNVT6CUATzueB5Heb8o6Nam0V3HG5dlDvZU1Gn5QLcbahiKw/XVk5JJw=="
+          "integrity": "sha512-3ToOva++HaW+eCpgqZrCfN51IPB+7bJNVT6CUATzueB5Heb8o6Nam0V3HG5dlDvZU1Gn5QLcbahiKw/XVk5JJw==",
+          "optional": true
         },
         "has-symbols": {
           "version": "1.0.0",
@@ -4113,10 +6089,40 @@
           "version": "1.4.1",
           "resolved": "https://registry.npmjs.org/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz",
           "integrity": "sha512-vdbKfmw+3LoOYVr+mtxHaX5a96+0f3DljYd8JOqvOLsf5mw2Otda2qCDT9qRqLAhrjyQ0h7ual5nOiASpsGNFw==",
+          "optional": true,
           "requires": {
             "has-symbol-support-x": "^1.4.1"
           }
         },
+        "has-value": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
+          "integrity": "sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=",
+          "requires": {
+            "get-value": "^2.0.6",
+            "has-values": "^1.0.0",
+            "isobject": "^3.0.0"
+          }
+        },
+        "has-values": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/has-values/-/has-values-1.0.0.tgz",
+          "integrity": "sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=",
+          "requires": {
+            "is-number": "^3.0.0",
+            "kind-of": "^4.0.0"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-4.0.0.tgz",
+              "integrity": "sha1-IIE989cSkosgc3hpGkUGb65y3Vc=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
+        },
         "hash-base": {
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
@@ -4146,6 +6152,11 @@
             "secp256k1": "^3.0.1"
           }
         },
+        "he": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
+          "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0="
+        },
         "heap": {
           "version": "0.2.6",
           "resolved": "https://registry.npmjs.org/heap/-/heap-0.2.6.tgz",
@@ -4179,6 +6190,7 @@
           "version": "1.6.3",
           "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
+          "optional": true,
           "requires": {
             "depd": "~1.1.2",
             "inherits": "2.0.3",
@@ -4189,7 +6201,8 @@
         "http-https": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/http-https/-/http-https-1.0.0.tgz",
-          "integrity": "sha1-L5CN1fHbQGjAWM1ubUzjkskTOJs="
+          "integrity": "sha1-L5CN1fHbQGjAWM1ubUzjkskTOJs=",
+          "optional": true
         },
         "http-signature": {
           "version": "1.2.0",
@@ -4201,6 +6214,115 @@
             "sshpk": "^1.7.0"
           }
         },
+        "https-browserify": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/https-browserify/-/https-browserify-1.0.0.tgz",
+          "integrity": "sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM="
+        },
+        "humanize": {
+          "version": "0.0.9",
+          "resolved": "https://registry.npmjs.org/humanize/-/humanize-0.0.9.tgz",
+          "integrity": "sha1-GZT/rs3+nEQe0r2sdFK3u0yeQaQ="
+        },
+        "husky": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/husky/-/husky-1.3.1.tgz",
+          "integrity": "sha512-86U6sVVVf4b5NYSZ0yvv88dRgBSSXXmHaiq5pP4KDj5JVzdwKgBjEtUPOm8hcoytezFwbU+7gotXNhpHdystlg==",
+          "requires": {
+            "cosmiconfig": "^5.0.7",
+            "execa": "^1.0.0",
+            "find-up": "^3.0.0",
+            "get-stdin": "^6.0.0",
+            "is-ci": "^2.0.0",
+            "pkg-dir": "^3.0.0",
+            "please-upgrade-node": "^3.1.1",
+            "read-pkg": "^4.0.1",
+            "run-node": "^1.0.0",
+            "slash": "^2.0.0"
+          },
+          "dependencies": {
+            "find-up": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+              "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+              "requires": {
+                "locate-path": "^3.0.0"
+              }
+            },
+            "locate-path": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+              "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+              "requires": {
+                "p-locate": "^3.0.0",
+                "path-exists": "^3.0.0"
+              }
+            },
+            "p-limit": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.1.0.tgz",
+              "integrity": "sha512-NhURkNcrVB+8hNfLuysU8enY5xn2KXphsHBaC2YmRNTZRc7RWusw6apSpdEj3jo4CMb6W9nrF6tTnsJsJeyu6g==",
+              "requires": {
+                "p-try": "^2.0.0"
+              }
+            },
+            "p-locate": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+              "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+              "requires": {
+                "p-limit": "^2.0.0"
+              }
+            },
+            "p-try": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.0.0.tgz",
+              "integrity": "sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ=="
+            },
+            "parse-json": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+              "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+              "requires": {
+                "error-ex": "^1.3.1",
+                "json-parse-better-errors": "^1.0.1"
+              }
+            },
+            "path-exists": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+              "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
+            },
+            "pify": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+              "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+            },
+            "pkg-dir": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-3.0.0.tgz",
+              "integrity": "sha512-/E57AYkoeQ25qkxMj5PBOVgF8Kiu/h7cYS30Z5+R7WaiCCBfLq58ZI/dSeaEKb9WVJV5n/03QwrN3IeWIFllvw==",
+              "requires": {
+                "find-up": "^3.0.0"
+              }
+            },
+            "read-pkg": {
+              "version": "4.0.1",
+              "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-4.0.1.tgz",
+              "integrity": "sha1-ljYlN48+HE1IyFhytabsfV0JMjc=",
+              "requires": {
+                "normalize-package-data": "^2.3.2",
+                "parse-json": "^4.0.0",
+                "pify": "^3.0.0"
+              }
+            },
+            "slash": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/slash/-/slash-2.0.0.tgz",
+              "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A=="
+            }
+          }
+        },
         "iconv-lite": {
           "version": "0.4.23",
           "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
@@ -4214,11 +6336,69 @@
           "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.12.tgz",
           "integrity": "sha512-GguP+DRY+pJ3soyIiGPTvdiVXjZ+DbXOxGpXn3eMvNW4x4irjqXm4wHKscC+TfxSJ0yw/S1F24tqdMNsMZTiLA=="
         },
+        "iferr": {
+          "version": "0.1.5",
+          "resolved": "https://registry.npmjs.org/iferr/-/iferr-0.1.5.tgz",
+          "integrity": "sha1-xg7taebY/bazEEofy8ocGS3FtQE="
+        },
+        "ignore": {
+          "version": "4.0.6",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
+          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg=="
+        },
         "immediate": {
           "version": "3.2.3",
           "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.2.3.tgz",
           "integrity": "sha1-0UD6j2FGWb1lQSMwl92qwlzdmRw="
         },
+        "import-fresh": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-2.0.0.tgz",
+          "integrity": "sha1-2BNVwVYS04bGH53dOSLUMEgipUY=",
+          "requires": {
+            "caller-path": "^2.0.0",
+            "resolve-from": "^3.0.0"
+          },
+          "dependencies": {
+            "caller-path": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-2.0.0.tgz",
+              "integrity": "sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=",
+              "requires": {
+                "caller-callsite": "^2.0.0"
+              }
+            },
+            "resolve-from": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
+              "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g="
+            }
+          }
+        },
+        "import-local": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/import-local/-/import-local-1.0.0.tgz",
+          "integrity": "sha512-vAaZHieK9qjGo58agRBg+bhHX3hoTZU/Oa3GESWLz7t1U62fk63aHuDJJEteXoDeTCcPmUT+z38gkHPZkkmpmQ==",
+          "requires": {
+            "pkg-dir": "^2.0.0",
+            "resolve-cwd": "^2.0.0"
+          }
+        },
+        "imurmurhash": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
+          "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o="
+        },
+        "indent-string": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-3.2.0.tgz",
+          "integrity": "sha1-Sl/W0nzDMvN+VBmlBNu4NxBckok="
+        },
+        "indexof": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
+          "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+        },
         "inflight": {
           "version": "1.0.6",
           "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -4233,6 +6413,103 @@
           "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
           "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
         },
+        "inquirer": {
+          "version": "6.2.2",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.2.2.tgz",
+          "integrity": "sha512-Z2rREiXA6cHRR9KBOarR3WuLlFzlIfAEIiB45ll5SSadMg7WqOh1MKEjjndfuH5ewXdixWCxqnVfGOQzPeiztA==",
+          "requires": {
+            "ansi-escapes": "^3.2.0",
+            "chalk": "^2.4.2",
+            "cli-cursor": "^2.1.0",
+            "cli-width": "^2.0.0",
+            "external-editor": "^3.0.3",
+            "figures": "^2.0.0",
+            "lodash": "^4.17.11",
+            "mute-stream": "0.0.7",
+            "run-async": "^2.2.0",
+            "rxjs": "^6.4.0",
+            "string-width": "^2.1.0",
+            "strip-ansi": "^5.0.0",
+            "through": "^2.3.6"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+            },
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+            },
+            "string-width": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+              "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+              "requires": {
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^4.0.0"
+              },
+              "dependencies": {
+                "strip-ansi": {
+                  "version": "4.0.0",
+                  "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+                  "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+                  "requires": {
+                    "ansi-regex": "^3.0.0"
+                  }
+                }
+              }
+            },
+            "strip-ansi": {
+              "version": "5.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.0.0.tgz",
+              "integrity": "sha512-Uu7gQyZI7J7gn5qLn1Np3G9vcYGTVqB+lFTytnDJv83dd8T22aGH451P3jueT2/QemInJDfxHB5Tde5OzgG1Ow==",
+              "requires": {
+                "ansi-regex": "^4.0.0"
+              },
+              "dependencies": {
+                "ansi-regex": {
+                  "version": "4.0.0",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.0.0.tgz",
+                  "integrity": "sha512-iB5Dda8t/UqpPI/IjsejXu5jOGDrzn41wJyljwPH65VCIbk6+1BzFIMJGFwTNrYXT1CrD+B4l19U7awiQ8rk7w=="
+                }
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "interpret": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.2.0.tgz",
+          "integrity": "sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw=="
+        },
         "invariant": {
           "version": "2.2.4",
           "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz",
@@ -4249,23 +6526,113 @@
         "ipaddr.js": {
           "version": "1.8.0",
           "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.8.0.tgz",
-          "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4="
+          "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4=",
+          "optional": true
+        },
+        "is-accessor-descriptor": {
+          "version": "0.1.6",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
+          "requires": {
+            "kind-of": "^3.0.2"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
         },
         "is-arrayish": {
           "version": "0.2.1",
           "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
           "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0="
         },
+        "is-binary-path": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-1.0.1.tgz",
+          "integrity": "sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=",
+          "requires": {
+            "binary-extensions": "^1.0.0"
+          }
+        },
+        "is-buffer": {
+          "version": "1.1.6",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+          "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+        },
         "is-callable": {
           "version": "1.1.4",
           "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
           "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA=="
         },
+        "is-ci": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-2.0.0.tgz",
+          "integrity": "sha512-YfJT7rkpQB0updsdHLGWrvhBJfcfzNNawYDNIyQXJz0IViGf75O8EBPKSdvw2rF+LGCsX4FZ8tcr3b19LcZq4w==",
+          "requires": {
+            "ci-info": "^2.0.0"
+          }
+        },
+        "is-data-descriptor": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
+          "requires": {
+            "kind-of": "^3.0.2"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
+        },
         "is-date-object": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
           "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY="
         },
+        "is-descriptor": {
+          "version": "0.1.6",
+          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-0.1.6.tgz",
+          "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
+          "requires": {
+            "is-accessor-descriptor": "^0.1.6",
+            "is-data-descriptor": "^0.1.4",
+            "kind-of": "^5.0.0"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "5.1.0",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
+              "integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw=="
+            }
+          }
+        },
+        "is-directory": {
+          "version": "0.3.1",
+          "resolved": "https://registry.npmjs.org/is-directory/-/is-directory-0.3.1.tgz",
+          "integrity": "sha1-YTObbyR1/Hcv2cnYP1yFddwVSuE="
+        },
+        "is-extendable": {
+          "version": "0.1.1",
+          "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-0.1.1.tgz",
+          "integrity": "sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik="
+        },
+        "is-extglob": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-2.1.1.tgz",
+          "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI="
+        },
         "is-finite": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
@@ -4292,6 +6659,14 @@
           "resolved": "https://registry.npmjs.org/is-function/-/is-function-1.0.1.tgz",
           "integrity": "sha1-Es+5i2W1fdPRk6MSH19uL0N2ArU="
         },
+        "is-glob": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-4.0.0.tgz",
+          "integrity": "sha1-lSHHaEXMJhCoUgPd8ICpWML/q8A=",
+          "requires": {
+            "is-extglob": "^2.1.1"
+          }
+        },
         "is-hex-prefixed": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz",
@@ -4303,31 +6678,109 @@
           "integrity": "sha1-q5124dtM7VHjXeDHLr7PCfc0zeg=",
           "optional": true
         },
+        "is-number": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
+          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
+          "requires": {
+            "kind-of": "^3.0.2"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
+        },
+        "is-obj": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
+          "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8="
+        },
         "is-object": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/is-object/-/is-object-1.0.1.tgz",
-          "integrity": "sha1-iVJojF7C/9awPsyF52ngKQMINHA="
+          "integrity": "sha1-iVJojF7C/9awPsyF52ngKQMINHA=",
+          "optional": true
         },
-        "is-plain-obj": {
+        "is-observable": {
           "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
-          "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4="
-        },
-        "is-regex": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
-          "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
+          "resolved": "https://registry.npmjs.org/is-observable/-/is-observable-1.1.0.tgz",
+          "integrity": "sha512-NqCa4Sa2d+u7BWc6CukaObG3Fh+CU9bvixbpcXYhy2VvYS7vVGIdAgnIS5Ks3A/cqk4rebLJ9s8zBstT2aKnIA==",
           "requires": {
-            "has": "^1.0.1"
+            "symbol-observable": "^1.1.0"
           }
         },
-        "is-retry-allowed": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz",
-          "integrity": "sha1-EaBgVotnM5REAz0BJaYaINVk+zQ="
+        "is-path-cwd": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-1.0.0.tgz",
+          "integrity": "sha1-0iXsIxMuie3Tj9p2dHLmLmXxEG0="
         },
-        "is-stream": {
-          "version": "1.1.0",
+        "is-path-in-cwd": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-path-in-cwd/-/is-path-in-cwd-1.0.1.tgz",
+          "integrity": "sha512-FjV1RTW48E7CWM7eE/J2NJvAEEVektecDBVBE5Hh3nM1Jd0kvhHtX68Pr3xsDf857xt3Y4AkwVULK1Vku62aaQ==",
+          "requires": {
+            "is-path-inside": "^1.0.0"
+          }
+        },
+        "is-path-inside": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-1.0.1.tgz",
+          "integrity": "sha1-jvW33lBDej/cprToZe96pVy0gDY=",
+          "requires": {
+            "path-is-inside": "^1.0.1"
+          }
+        },
+        "is-plain-obj": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
+          "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4=",
+          "optional": true
+        },
+        "is-plain-object": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
+          "integrity": "sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==",
+          "requires": {
+            "isobject": "^3.0.1"
+          }
+        },
+        "is-promise": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
+          "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o="
+        },
+        "is-regex": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
+          "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
+          "requires": {
+            "has": "^1.0.1"
+          }
+        },
+        "is-regexp": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-regexp/-/is-regexp-1.0.0.tgz",
+          "integrity": "sha1-/S2INUXEa6xaYz57mgnof6LLUGk="
+        },
+        "is-resolvable": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.1.0.tgz",
+          "integrity": "sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg=="
+        },
+        "is-retry-allowed": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz",
+          "integrity": "sha1-EaBgVotnM5REAz0BJaYaINVk+zQ=",
+          "optional": true
+        },
+        "is-stream": {
+          "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
           "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
         },
@@ -4349,20 +6802,62 @@
           "resolved": "https://registry.npmjs.org/is-utf8/-/is-utf8-0.2.1.tgz",
           "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI="
         },
+        "is-windows": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.2.tgz",
+          "integrity": "sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA=="
+        },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
           "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
         },
+        "isexe": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+          "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
+        },
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        },
         "isstream": {
           "version": "0.1.2",
           "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
           "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
         },
+        "istanbul-lib-coverage": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz",
+          "integrity": "sha512-dKWuzRGCs4G+67VfW9pBFFz2Jpi4vSp/k7zBcJ888ofV5Mi1g5CUML5GvMvV6u9Cjybftu+E8Cgp+k0dI1E5lw=="
+        },
+        "istanbul-lib-instrument": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.1.0.tgz",
+          "integrity": "sha512-ooVllVGT38HIk8MxDj/OIHXSYvH+1tq/Vb38s8ixt9GoJadXska4WkGY+0wkmtYCZNYtaARniH/DixUGGLZ0uA==",
+          "requires": {
+            "@babel/generator": "^7.0.0",
+            "@babel/parser": "^7.0.0",
+            "@babel/template": "^7.0.0",
+            "@babel/traverse": "^7.0.0",
+            "@babel/types": "^7.0.0",
+            "istanbul-lib-coverage": "^2.0.3",
+            "semver": "^5.5.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.6.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+              "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+            }
+          }
+        },
         "isurl": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/isurl/-/isurl-1.0.0.tgz",
           "integrity": "sha512-1P/yWsxPlDtn7QeRD+ULKQPaIaN6yF368GZ2vDfv0AL0NwpStafjWCDDdn0k8wgFMWpVAqG7oJhxHnlud42i9w==",
+          "optional": true,
           "requires": {
             "has-to-string-tag-x": "^1.2.0",
             "is-object": "^1.0.1"
@@ -4378,6 +6873,15 @@
           "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
           "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls="
         },
+        "js-yaml": {
+          "version": "3.12.2",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.2.tgz",
+          "integrity": "sha512-QHn/Lh/7HhZ/Twc7vJYQTkjuCa0kaCcDcjK5Zlk2rvnUpy7DxMJ23+Jc2dcyvltwQVg1nygAVlB2oRDFHoRS5Q==",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
         "jsbn": {
           "version": "0.1.1",
           "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
@@ -4388,6 +6892,11 @@
           "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
           "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0="
         },
+        "json-parse-better-errors": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz",
+          "integrity": "sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw=="
+        },
         "json-rpc-engine": {
           "version": "3.8.0",
           "resolved": "https://registry.npmjs.org/json-rpc-engine/-/json-rpc-engine-3.8.0.tgz",
@@ -4432,6 +6941,11 @@
             "jsonify": "~0.0.0"
           }
         },
+        "json-stable-stringify-without-jsonify": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz",
+          "integrity": "sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE="
+        },
         "json-stringify-safe": {
           "version": "5.0.1",
           "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
@@ -4486,6 +7000,11 @@
             "sha3": "^1.2.2"
           }
         },
+        "kind-of": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
+          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA=="
+        },
         "klaw": {
           "version": "1.3.1",
           "resolved": "https://registry.npmjs.org/klaw/-/klaw-1.3.1.tgz",
@@ -4502,6 +7021,11 @@
             "invert-kv": "^1.0.0"
           }
         },
+        "lcov-parse": {
+          "version": "0.0.10",
+          "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
+          "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM="
+        },
         "level-codec": {
           "version": "9.0.0",
           "resolved": "https://registry.npmjs.org/level-codec/-/level-codec-9.0.0.tgz",
@@ -4659,6 +7183,186 @@
             }
           }
         },
+        "levn": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
+          "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+          "requires": {
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2"
+          }
+        },
+        "lint-staged": {
+          "version": "8.1.4",
+          "resolved": "https://registry.npmjs.org/lint-staged/-/lint-staged-8.1.4.tgz",
+          "integrity": "sha512-oFbbhB/VzN8B3i/sIdb9gMfngGArI6jIfxSn+WPdQb2Ni3GJeS6T4j5VriSbQfxfMuYoQlMHOoFt+lfcWV0HfA==",
+          "requires": {
+            "@iamstarkov/listr-update-renderer": "0.4.1",
+            "chalk": "^2.3.1",
+            "commander": "^2.14.1",
+            "cosmiconfig": "^5.0.2",
+            "debug": "^3.1.0",
+            "dedent": "^0.7.0",
+            "del": "^3.0.0",
+            "execa": "^1.0.0",
+            "find-parent-dir": "^0.3.0",
+            "g-status": "^2.0.2",
+            "is-glob": "^4.0.0",
+            "is-windows": "^1.0.2",
+            "listr": "^0.14.2",
+            "lodash": "^4.17.11",
+            "log-symbols": "^2.2.0",
+            "micromatch": "^3.1.8",
+            "npm-which": "^3.0.1",
+            "p-map": "^1.1.1",
+            "path-is-inside": "^1.0.2",
+            "pify": "^3.0.0",
+            "please-upgrade-node": "^3.0.2",
+            "staged-git-files": "1.1.2",
+            "string-argv": "^0.0.2",
+            "stringify-object": "^3.2.2",
+            "yup": "^0.26.10"
+          },
+          "dependencies": {
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "commander": {
+              "version": "2.19.0",
+              "resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
+              "integrity": "sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg=="
+            },
+            "pify": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+              "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "listr": {
+          "version": "0.14.3",
+          "resolved": "https://registry.npmjs.org/listr/-/listr-0.14.3.tgz",
+          "integrity": "sha512-RmAl7su35BFd/xoMamRjpIE4j3v+L28o8CT5YhAXQJm1fD+1l9ngXY8JAQRJ+tFK2i5njvi0iRUKV09vPwA0iA==",
+          "requires": {
+            "@samverschueren/stream-to-observable": "^0.3.0",
+            "is-observable": "^1.1.0",
+            "is-promise": "^2.1.0",
+            "is-stream": "^1.1.0",
+            "listr-silent-renderer": "^1.1.1",
+            "listr-update-renderer": "^0.5.0",
+            "listr-verbose-renderer": "^0.5.0",
+            "p-map": "^2.0.0",
+            "rxjs": "^6.3.3"
+          },
+          "dependencies": {
+            "p-map": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/p-map/-/p-map-2.0.0.tgz",
+              "integrity": "sha512-GO107XdrSUmtHxVoi60qc9tUl/KkNKm+X2CF4P9amalpGxv5YqVPJNfSb0wcA+syCopkZvYYIzW8OVTQW59x/w=="
+            }
+          }
+        },
+        "listr-silent-renderer": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/listr-silent-renderer/-/listr-silent-renderer-1.1.1.tgz",
+          "integrity": "sha1-kktaN1cVN3C/Go4/v3S4u/P5JC4="
+        },
+        "listr-update-renderer": {
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/listr-update-renderer/-/listr-update-renderer-0.5.0.tgz",
+          "integrity": "sha512-tKRsZpKz8GSGqoI/+caPmfrypiaq+OQCbd+CovEC24uk1h952lVj5sC7SqyFUm+OaJ5HN/a1YLt5cit2FMNsFA==",
+          "requires": {
+            "chalk": "^1.1.3",
+            "cli-truncate": "^0.2.1",
+            "elegant-spinner": "^1.0.1",
+            "figures": "^1.7.0",
+            "indent-string": "^3.0.0",
+            "log-symbols": "^1.0.2",
+            "log-update": "^2.3.0",
+            "strip-ansi": "^3.0.1"
+          },
+          "dependencies": {
+            "figures": {
+              "version": "1.7.0",
+              "resolved": "https://registry.npmjs.org/figures/-/figures-1.7.0.tgz",
+              "integrity": "sha1-y+Hjr/zxzUS4DK3+0o3Hk6lwHS4=",
+              "requires": {
+                "escape-string-regexp": "^1.0.5",
+                "object-assign": "^4.1.0"
+              }
+            },
+            "log-symbols": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-1.0.2.tgz",
+              "integrity": "sha1-N2/3tY6jCGoPCfrMdGF+ylAeGhg=",
+              "requires": {
+                "chalk": "^1.0.0"
+              }
+            }
+          }
+        },
+        "listr-verbose-renderer": {
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/listr-verbose-renderer/-/listr-verbose-renderer-0.5.0.tgz",
+          "integrity": "sha512-04PDPqSlsqIOaaaGZ+41vq5FejI9auqTInicFRndCBgE3bXG8D6W1I+mWhk+1nqbHmyhla/6BUrd5OSiHwKRXw==",
+          "requires": {
+            "chalk": "^2.4.1",
+            "cli-cursor": "^2.1.0",
+            "date-fns": "^1.27.2",
+            "figures": "^2.0.0"
+          },
+          "dependencies": {
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
         "load-json-file": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -4678,6 +7382,52 @@
             }
           }
         },
+        "loader-runner": {
+          "version": "2.4.0",
+          "resolved": "https://registry.npmjs.org/loader-runner/-/loader-runner-2.4.0.tgz",
+          "integrity": "sha512-Jsmr89RcXGIwivFY21FcRrisYZfvLMTWx5kOLc+JTxtpBOG6xML0vzbc6SEQG2FO9/4Fc3wW4LVcB5DmGflaRw=="
+        },
+        "loader-utils": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.2.3.tgz",
+          "integrity": "sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==",
+          "requires": {
+            "big.js": "^5.2.2",
+            "emojis-list": "^2.0.0",
+            "json5": "^1.0.1"
+          },
+          "dependencies": {
+            "json5": {
+              "version": "1.0.1",
+              "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+              "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+              "requires": {
+                "minimist": "^1.2.0"
+              }
+            },
+            "minimist": {
+              "version": "1.2.0",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+              "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+            }
+          }
+        },
+        "locate-path": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+          "requires": {
+            "p-locate": "^2.0.0",
+            "path-exists": "^3.0.0"
+          },
+          "dependencies": {
+            "path-exists": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+              "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
+            }
+          }
+        },
         "lodash": {
           "version": "4.17.11",
           "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
@@ -4688,6 +7438,110 @@
           "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
           "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc="
         },
+        "lodash.get": {
+          "version": "4.4.2",
+          "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+          "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
+        },
+        "lodash.merge": {
+          "version": "4.6.1",
+          "resolved": "https://registry.npmjs.org/lodash.merge/-/lodash.merge-4.6.1.tgz",
+          "integrity": "sha512-AOYza4+Hf5z1/0Hztxpm2/xiPZgi/cjMqdnKTUWTBSKchJlxXXuUSxCCl8rJlf4g6yww/j6mA8nC8Hw/EZWxKQ=="
+        },
+        "log-driver": {
+          "version": "1.2.7",
+          "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
+          "integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg=="
+        },
+        "log-symbols": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-2.2.0.tgz",
+          "integrity": "sha512-VeIAFslyIerEJLXHziedo2basKbMKtTw3vfn5IzG0XTjhAVEJyNHnL2p7vc+wBDSdQuUpNw3M2u6xb9QsAY5Eg==",
+          "requires": {
+            "chalk": "^2.0.1"
+          },
+          "dependencies": {
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "log-update": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/log-update/-/log-update-2.3.0.tgz",
+          "integrity": "sha1-iDKP19HOeTiykoN0bwsbwSayRwg=",
+          "requires": {
+            "ansi-escapes": "^3.0.0",
+            "cli-cursor": "^2.0.0",
+            "wrap-ansi": "^3.0.1"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+            },
+            "string-width": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+              "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+              "requires": {
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^4.0.0"
+              }
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            },
+            "wrap-ansi": {
+              "version": "3.0.1",
+              "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-3.0.1.tgz",
+              "integrity": "sha1-KIoE2H7aXChuBg3+jxNc6NAH+Lo=",
+              "requires": {
+                "string-width": "^2.1.1",
+                "strip-ansi": "^4.0.0"
+              }
+            }
+          }
+        },
+        "long": {
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/long/-/long-3.2.0.tgz",
+          "integrity": "sha1-2CG3E4yhy1gcFymQ7xTbIAtcR0s="
+        },
         "looper": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/looper/-/looper-2.0.0.tgz",
@@ -4704,7 +7558,8 @@
         "lowercase-keys": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
-          "integrity": "sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA=="
+          "integrity": "sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA==",
+          "optional": true
         },
         "lru-cache": {
           "version": "3.2.0",
@@ -4723,7 +7578,6 @@
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz",
           "integrity": "sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==",
-          "optional": true,
           "requires": {
             "pify": "^3.0.0"
           },
@@ -4731,11 +7585,44 @@
             "pify": {
               "version": "3.0.0",
               "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-              "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-              "optional": true
+              "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
             }
           }
         },
+        "mamacro": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/mamacro/-/mamacro-0.0.3.tgz",
+          "integrity": "sha512-qMEwh+UujcQ+kbz3T6V+wAmO2U8veoq2w+3wY8MquqwVA3jChfwY+Tk52GZKDfACEPjuZ7r2oJLejwpt8jtwTA=="
+        },
+        "map-age-cleaner": {
+          "version": "0.1.3",
+          "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.3.tgz",
+          "integrity": "sha512-bJzx6nMoP6PDLPBFmg7+xRKeFZvFboMrGlxmNj9ClvX53KrmvM5bXFXEWjbz4cz1AFn+jWJ9z/DJSz7hrs0w3w==",
+          "requires": {
+            "p-defer": "^1.0.0"
+          }
+        },
+        "map-cache": {
+          "version": "0.2.2",
+          "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
+          "integrity": "sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8="
+        },
+        "map-visit": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/map-visit/-/map-visit-1.0.0.tgz",
+          "integrity": "sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=",
+          "requires": {
+            "object-visit": "^1.0.0"
+          }
+        },
+        "matcher": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/matcher/-/matcher-1.1.1.tgz",
+          "integrity": "sha512-+BmqxWIubKTRKNWx/ahnCkk3mG8m7OturVlqq6HiojGJTd5hVYbgZm6WzcYPCoB+KBT4Vd6R7WSRG2OADNaCjg==",
+          "requires": {
+            "escape-string-regexp": "^1.0.4"
+          }
+        },
         "md5.js": {
           "version": "1.3.5",
           "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
@@ -4749,7 +7636,18 @@
         "media-typer": {
           "version": "0.3.0",
           "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
-          "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g="
+          "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
+          "optional": true
+        },
+        "mem": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/mem/-/mem-4.1.0.tgz",
+          "integrity": "sha512-I5u6Q1x7wxO0kdOpYBB28xueHADYps5uty/zg936CiG8NTe5sJL8EjrCuLneuDW3PlMdZBGDIn8BirEVdovZvg==",
+          "requires": {
+            "map-age-cleaner": "^0.1.1",
+            "mimic-fn": "^1.0.0",
+            "p-is-promise": "^2.0.0"
+          }
         },
         "memdown": {
           "version": "1.4.1",
@@ -4774,6 +7672,15 @@
             }
           }
         },
+        "memory-fs": {
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.4.1.tgz",
+          "integrity": "sha1-OpoguEYlI+RHz7x+i7gO1me/xVI=",
+          "requires": {
+            "errno": "^0.1.3",
+            "readable-stream": "^2.0.1"
+          }
+        },
         "memorystream": {
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/memorystream/-/memorystream-0.3.1.tgz",
@@ -4782,7 +7689,8 @@
         "merge-descriptors": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
-          "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E="
+          "integrity": "sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=",
+          "optional": true
         },
         "merkle-patricia-tree": {
           "version": "2.3.1",
@@ -4829,6 +7737,13 @@
                 "prr": "~1.0.1",
                 "semver": "~5.4.1",
                 "xtend": "~4.0.0"
+              },
+              "dependencies": {
+                "semver": {
+                  "version": "5.4.1",
+                  "resolved": "https://registry.npmjs.org/semver/-/semver-5.4.1.tgz",
+                  "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg=="
+                }
               }
             }
           }
@@ -4836,13 +7751,33 @@
         "methods": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
-          "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
+          "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=",
+          "optional": true
+        },
+        "micromatch": {
+          "version": "3.1.10",
+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
+          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
+          "requires": {
+            "arr-diff": "^4.0.0",
+            "array-unique": "^0.3.2",
+            "braces": "^2.3.1",
+            "define-property": "^2.0.2",
+            "extend-shallow": "^3.0.2",
+            "extglob": "^2.0.4",
+            "fragment-cache": "^0.2.1",
+            "kind-of": "^6.0.2",
+            "nanomatch": "^1.2.9",
+            "object.pick": "^1.3.0",
+            "regex-not": "^1.0.0",
+            "snapdragon": "^0.8.1",
+            "to-regex": "^3.0.2"
+          }
         },
         "miller-rabin": {
           "version": "4.0.1",
           "resolved": "https://registry.npmjs.org/miller-rabin/-/miller-rabin-4.0.1.tgz",
           "integrity": "sha512-115fLhvZVqWwHPbClyntxEVfVDfl9DLLTuJvq3g2O/Oxi8AiNouAHvDSzHS0viUJc+V5vm3eq91Xwqn9dp4jRA==",
-          "optional": true,
           "requires": {
             "bn.js": "^4.0.0",
             "brorand": "^1.0.1"
@@ -4851,7 +7786,8 @@
         "mime": {
           "version": "1.4.1",
           "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
-          "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ=="
+          "integrity": "sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==",
+          "optional": true
         },
         "mime-db": {
           "version": "1.38.0",
@@ -4866,10 +7802,16 @@
             "mime-db": "~1.38.0"
           }
         },
+        "mimic-fn": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+          "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ=="
+        },
         "mimic-response": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-1.0.1.tgz",
-          "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ=="
+          "integrity": "sha512-j5EctnkH7amfV/q5Hgmoal1g2QHFJRraOtmx0JpIqkxhBhI/lJSl1nMpQ45hVarwNETOoWEimndZ4QK0RHxuxQ==",
+          "optional": true
         },
         "min-document": {
           "version": "2.19.0",
@@ -4902,13 +7844,60 @@
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         },
-        "mkdirp": {
-          "version": "0.5.1",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+        "mississippi": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-2.0.0.tgz",
+          "integrity": "sha512-zHo8v+otD1J10j/tC+VNoGK9keCuByhKovAvdn74dmxJl9+mWHnx6EMsDN4lgRoMI/eYo2nchAxniIbUPb5onw==",
           "requires": {
-            "minimist": "0.0.8"
-          }
+            "concat-stream": "^1.5.0",
+            "duplexify": "^3.4.2",
+            "end-of-stream": "^1.1.0",
+            "flush-write-stream": "^1.0.0",
+            "from2": "^2.1.0",
+            "parallel-transform": "^1.1.0",
+            "pump": "^2.0.1",
+            "pumpify": "^1.3.3",
+            "stream-each": "^1.1.0",
+            "through2": "^2.0.0"
+          },
+          "dependencies": {
+            "pump": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
+              "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+              "requires": {
+                "end-of-stream": "^1.1.0",
+                "once": "^1.3.1"
+              }
+            }
+          }
+        },
+        "mixin-deep": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
+          "integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+          "requires": {
+            "for-in": "^1.0.2",
+            "is-extendable": "^1.0.1"
+          },
+          "dependencies": {
+            "is-extendable": {
+              "version": "1.0.1",
+              "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
+              "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
+              "requires": {
+                "is-plain-object": "^2.0.4"
+              }
+            }
+          }
+        },
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          }
         },
         "mkdirp-promise": {
           "version": "5.0.1",
@@ -4919,6 +7908,57 @@
             "mkdirp": "*"
           }
         },
+        "mocha": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.2.0.tgz",
+          "integrity": "sha512-2IUgKDhc3J7Uug+FxMXuqIyYzH7gJjXECKe/w43IGgQHTSj3InJi+yAA7T24L9bQMRKiUEHxEX37G5JpVUGLcQ==",
+          "requires": {
+            "browser-stdout": "1.3.1",
+            "commander": "2.15.1",
+            "debug": "3.1.0",
+            "diff": "3.5.0",
+            "escape-string-regexp": "1.0.5",
+            "glob": "7.1.2",
+            "growl": "1.10.5",
+            "he": "1.1.1",
+            "minimatch": "3.0.4",
+            "mkdirp": "0.5.1",
+            "supports-color": "5.4.0"
+          },
+          "dependencies": {
+            "commander": {
+              "version": "2.15.1",
+              "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+              "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag=="
+            },
+            "glob": {
+              "version": "7.1.2",
+              "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+              "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+              "requires": {
+                "fs.realpath": "^1.0.0",
+                "inflight": "^1.0.4",
+                "inherits": "2",
+                "minimatch": "^3.0.4",
+                "once": "^1.3.0",
+                "path-is-absolute": "^1.0.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.4.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+              "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            }
+          }
+        },
+        "mocha-lcov-reporter": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/mocha-lcov-reporter/-/mocha-lcov-reporter-1.3.0.tgz",
+          "integrity": "sha1-Rpve9PivyaEWBW8HnfYYLQr7A4Q="
+        },
         "mock-fs": {
           "version": "4.8.0",
           "resolved": "https://registry.npmjs.org/mock-fs/-/mock-fs-4.8.0.tgz",
@@ -4931,11 +7971,29 @@
           "integrity": "sha1-ujYR318OWx/7/QEWa48C0fX6K5k=",
           "optional": true
         },
+        "move-concurrently": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/move-concurrently/-/move-concurrently-1.0.1.tgz",
+          "integrity": "sha1-viwAX9oy4LKa8fBdfEszIUxwH5I=",
+          "requires": {
+            "aproba": "^1.1.1",
+            "copy-concurrently": "^1.0.0",
+            "fs-write-stream-atomic": "^1.0.8",
+            "mkdirp": "^0.5.1",
+            "rimraf": "^2.5.4",
+            "run-queue": "^1.0.3"
+          }
+        },
         "ms": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
           "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
         },
+        "mute-stream": {
+          "version": "0.0.7",
+          "resolved": "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.7.tgz",
+          "integrity": "sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s="
+        },
         "mz": {
           "version": "2.7.0",
           "resolved": "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz",
@@ -4955,18 +8013,126 @@
         "nano-json-stream-parser": {
           "version": "0.1.2",
           "resolved": "https://registry.npmjs.org/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz",
-          "integrity": "sha1-DMj20OK2IrR5xA1JnEbWS3Vcb18="
+          "integrity": "sha1-DMj20OK2IrR5xA1JnEbWS3Vcb18=",
+          "optional": true
+        },
+        "nanomatch": {
+          "version": "1.2.13",
+          "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
+          "integrity": "sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==",
+          "requires": {
+            "arr-diff": "^4.0.0",
+            "array-unique": "^0.3.2",
+            "define-property": "^2.0.2",
+            "extend-shallow": "^3.0.2",
+            "fragment-cache": "^0.2.1",
+            "is-windows": "^1.0.2",
+            "kind-of": "^6.0.2",
+            "object.pick": "^1.3.0",
+            "regex-not": "^1.0.0",
+            "snapdragon": "^0.8.1",
+            "to-regex": "^3.0.1"
+          }
+        },
+        "natural-compare": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
+          "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc="
         },
         "negotiator": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
-          "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
+          "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=",
+          "optional": true
+        },
+        "neo-async": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz",
+          "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA=="
+        },
+        "nice-try": {
+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
+          "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
         },
         "node-fetch": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
           "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U="
         },
+        "node-libs-browser": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/node-libs-browser/-/node-libs-browser-2.2.0.tgz",
+          "integrity": "sha512-5MQunG/oyOaBdttrL40dA7bUfPORLRWMUJLQtMg7nluxUvk5XwnLdL9twQHFAjRx/y7mIMkLKT9++qPbbk6BZA==",
+          "requires": {
+            "assert": "^1.1.1",
+            "browserify-zlib": "^0.2.0",
+            "buffer": "^4.3.0",
+            "console-browserify": "^1.1.0",
+            "constants-browserify": "^1.0.0",
+            "crypto-browserify": "^3.11.0",
+            "domain-browser": "^1.1.1",
+            "events": "^3.0.0",
+            "https-browserify": "^1.0.0",
+            "os-browserify": "^0.3.0",
+            "path-browserify": "0.0.0",
+            "process": "^0.11.10",
+            "punycode": "^1.2.4",
+            "querystring-es3": "^0.2.0",
+            "readable-stream": "^2.3.3",
+            "stream-browserify": "^2.0.1",
+            "stream-http": "^2.7.2",
+            "string_decoder": "^1.0.0",
+            "timers-browserify": "^2.0.4",
+            "tty-browserify": "0.0.0",
+            "url": "^0.11.0",
+            "util": "^0.11.0",
+            "vm-browserify": "0.0.4"
+          },
+          "dependencies": {
+            "buffer": {
+              "version": "4.9.1",
+              "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+              "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+              "requires": {
+                "base64-js": "^1.0.2",
+                "ieee754": "^1.1.4",
+                "isarray": "^1.0.0"
+              }
+            },
+            "isarray": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+              "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+            },
+            "process": {
+              "version": "0.11.10",
+              "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
+              "integrity": "sha1-czIwDoQBYb2j5podHZGn1LwW8YI="
+            },
+            "punycode": {
+              "version": "1.4.1",
+              "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+              "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+            },
+            "string_decoder": {
+              "version": "1.2.0",
+              "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
+              "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
+              "requires": {
+                "safe-buffer": "~5.1.0"
+              }
+            },
+            "util": {
+              "version": "0.11.1",
+              "resolved": "https://registry.npmjs.org/util/-/util-0.11.1.tgz",
+              "integrity": "sha512-HShAsny+zS2TZfaXxD9tYj4HQGlBezXZMZuM/S5PKLLoZkShZiGk9o5CzukI1LVHZvjdvZ2Sj1aW/Ndn2NB/HQ==",
+              "requires": {
+                "inherits": "2.0.3"
+              }
+            }
+          }
+        },
         "normalize-package-data": {
           "version": "2.5.0",
           "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -4978,6 +8144,44 @@
             "validate-npm-package-license": "^3.0.1"
           }
         },
+        "normalize-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+          "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA=="
+        },
+        "npm-path": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/npm-path/-/npm-path-2.0.4.tgz",
+          "integrity": "sha512-IFsj0R9C7ZdR5cP+ET342q77uSRdtWOlWpih5eC+lu29tIDbNEgDbzgVJ5UFvYHWhxDZ5TFkJafFioO0pPQjCw==",
+          "requires": {
+            "which": "^1.2.10"
+          }
+        },
+        "npm-run-path": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
+          "integrity": "sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=",
+          "requires": {
+            "path-key": "^2.0.0"
+          }
+        },
+        "npm-which": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/npm-which/-/npm-which-3.0.1.tgz",
+          "integrity": "sha1-kiXybsOihcIJyuZ8OxGmtKtxQKo=",
+          "requires": {
+            "commander": "^2.9.0",
+            "npm-path": "^2.0.2",
+            "which": "^1.2.10"
+          },
+          "dependencies": {
+            "commander": {
+              "version": "2.19.0",
+              "resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
+              "integrity": "sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg=="
+            }
+          }
+        },
         "number-is-nan": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
@@ -4987,6 +8191,7 @@
           "version": "1.7.0",
           "resolved": "https://registry.npmjs.org/number-to-bn/-/number-to-bn-1.7.0.tgz",
           "integrity": "sha1-uzYjWS9+X54AMLGXe9QaDFP+HqA=",
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "strip-hex-prefix": "1.0.0"
@@ -4995,7 +8200,904 @@
             "bn.js": {
               "version": "4.11.6",
               "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
+              "optional": true
+            }
+          }
+        },
+        "nyc": {
+          "version": "13.3.0",
+          "resolved": "https://registry.npmjs.org/nyc/-/nyc-13.3.0.tgz",
+          "integrity": "sha512-P+FwIuro2aFG6B0Esd9ZDWUd51uZrAEoGutqZxzrVmYl3qSfkLgcQpBPBjtDFsUQLFY1dvTQJPOyeqr8S9GF8w==",
+          "requires": {
+            "archy": "^1.0.0",
+            "arrify": "^1.0.1",
+            "caching-transform": "^3.0.1",
+            "convert-source-map": "^1.6.0",
+            "find-cache-dir": "^2.0.0",
+            "find-up": "^3.0.0",
+            "foreground-child": "^1.5.6",
+            "glob": "^7.1.3",
+            "istanbul-lib-coverage": "^2.0.3",
+            "istanbul-lib-hook": "^2.0.3",
+            "istanbul-lib-instrument": "^3.1.0",
+            "istanbul-lib-report": "^2.0.4",
+            "istanbul-lib-source-maps": "^3.0.2",
+            "istanbul-reports": "^2.1.1",
+            "make-dir": "^1.3.0",
+            "merge-source-map": "^1.1.0",
+            "resolve-from": "^4.0.0",
+            "rimraf": "^2.6.3",
+            "signal-exit": "^3.0.2",
+            "spawn-wrap": "^1.4.2",
+            "test-exclude": "^5.1.0",
+            "uuid": "^3.3.2",
+            "yargs": "^12.0.5",
+            "yargs-parser": "^11.1.1"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "bundled": true
+            },
+            "append-transform": {
+              "version": "1.0.0",
+              "bundled": true,
+              "requires": {
+                "default-require-extensions": "^2.0.0"
+              }
+            },
+            "archy": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "arrify": {
+              "version": "1.0.1",
+              "bundled": true
+            },
+            "async": {
+              "version": "2.6.2",
+              "bundled": true,
+              "requires": {
+                "lodash": "^4.17.11"
+              }
+            },
+            "balanced-match": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "brace-expansion": {
+              "version": "1.1.11",
+              "bundled": true,
+              "requires": {
+                "balanced-match": "^1.0.0",
+                "concat-map": "0.0.1"
+              }
+            },
+            "caching-transform": {
+              "version": "3.0.1",
+              "bundled": true,
+              "requires": {
+                "hasha": "^3.0.0",
+                "make-dir": "^1.3.0",
+                "package-hash": "^3.0.0",
+                "write-file-atomic": "^2.3.0"
+              }
+            },
+            "camelcase": {
+              "version": "5.0.0",
+              "bundled": true
+            },
+            "cliui": {
+              "version": "4.1.0",
+              "bundled": true,
+              "requires": {
+                "string-width": "^2.1.1",
+                "strip-ansi": "^4.0.0",
+                "wrap-ansi": "^2.0.0"
+              }
+            },
+            "code-point-at": {
+              "version": "1.1.0",
+              "bundled": true
+            },
+            "commander": {
+              "version": "2.17.1",
+              "bundled": true,
+              "optional": true
+            },
+            "commondir": {
+              "version": "1.0.1",
+              "bundled": true
+            },
+            "concat-map": {
+              "version": "0.0.1",
+              "bundled": true
+            },
+            "convert-source-map": {
+              "version": "1.6.0",
+              "bundled": true,
+              "requires": {
+                "safe-buffer": "~5.1.1"
+              }
+            },
+            "cross-spawn": {
+              "version": "4.0.2",
+              "bundled": true,
+              "requires": {
+                "lru-cache": "^4.0.1",
+                "which": "^1.2.9"
+              }
+            },
+            "debug": {
+              "version": "4.1.1",
+              "bundled": true,
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            },
+            "decamelize": {
+              "version": "1.2.0",
+              "bundled": true
+            },
+            "default-require-extensions": {
+              "version": "2.0.0",
+              "bundled": true,
+              "requires": {
+                "strip-bom": "^3.0.0"
+              }
+            },
+            "end-of-stream": {
+              "version": "1.4.1",
+              "bundled": true,
+              "requires": {
+                "once": "^1.4.0"
+              }
+            },
+            "error-ex": {
+              "version": "1.3.2",
+              "bundled": true,
+              "requires": {
+                "is-arrayish": "^0.2.1"
+              }
+            },
+            "es6-error": {
+              "version": "4.1.1",
+              "bundled": true
+            },
+            "execa": {
+              "version": "1.0.0",
+              "bundled": true,
+              "requires": {
+                "cross-spawn": "^6.0.0",
+                "get-stream": "^4.0.0",
+                "is-stream": "^1.1.0",
+                "npm-run-path": "^2.0.0",
+                "p-finally": "^1.0.0",
+                "signal-exit": "^3.0.0",
+                "strip-eof": "^1.0.0"
+              },
+              "dependencies": {
+                "cross-spawn": {
+                  "version": "6.0.5",
+                  "bundled": true,
+                  "requires": {
+                    "nice-try": "^1.0.4",
+                    "path-key": "^2.0.1",
+                    "semver": "^5.5.0",
+                    "shebang-command": "^1.2.0",
+                    "which": "^1.2.9"
+                  }
+                }
+              }
+            },
+            "find-cache-dir": {
+              "version": "2.0.0",
+              "bundled": true,
+              "requires": {
+                "commondir": "^1.0.1",
+                "make-dir": "^1.0.0",
+                "pkg-dir": "^3.0.0"
+              }
+            },
+            "find-up": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "locate-path": "^3.0.0"
+              }
+            },
+            "foreground-child": {
+              "version": "1.5.6",
+              "bundled": true,
+              "requires": {
+                "cross-spawn": "^4",
+                "signal-exit": "^3.0.0"
+              }
+            },
+            "fs.realpath": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "get-caller-file": {
+              "version": "1.0.3",
+              "bundled": true
+            },
+            "get-stream": {
+              "version": "4.1.0",
+              "bundled": true,
+              "requires": {
+                "pump": "^3.0.0"
+              }
+            },
+            "glob": {
+              "version": "7.1.3",
+              "bundled": true,
+              "requires": {
+                "fs.realpath": "^1.0.0",
+                "inflight": "^1.0.4",
+                "inherits": "2",
+                "minimatch": "^3.0.4",
+                "once": "^1.3.0",
+                "path-is-absolute": "^1.0.0"
+              }
+            },
+            "graceful-fs": {
+              "version": "4.1.15",
+              "bundled": true
+            },
+            "handlebars": {
+              "version": "4.1.0",
+              "bundled": true,
+              "requires": {
+                "async": "^2.5.0",
+                "optimist": "^0.6.1",
+                "source-map": "^0.6.1",
+                "uglify-js": "^3.1.4"
+              },
+              "dependencies": {
+                "source-map": {
+                  "version": "0.6.1",
+                  "bundled": true
+                }
+              }
+            },
+            "has-flag": {
+              "version": "3.0.0",
+              "bundled": true
+            },
+            "hasha": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "is-stream": "^1.0.1"
+              }
+            },
+            "hosted-git-info": {
+              "version": "2.7.1",
+              "bundled": true
+            },
+            "imurmurhash": {
+              "version": "0.1.4",
+              "bundled": true
+            },
+            "inflight": {
+              "version": "1.0.6",
+              "bundled": true,
+              "requires": {
+                "once": "^1.3.0",
+                "wrappy": "1"
+              }
+            },
+            "inherits": {
+              "version": "2.0.3",
+              "bundled": true
+            },
+            "invert-kv": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "is-arrayish": {
+              "version": "0.2.1",
+              "bundled": true
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "is-stream": {
+              "version": "1.1.0",
+              "bundled": true
+            },
+            "isexe": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "istanbul-lib-coverage": {
+              "version": "2.0.3",
+              "bundled": true
+            },
+            "istanbul-lib-hook": {
+              "version": "2.0.3",
+              "bundled": true,
+              "requires": {
+                "append-transform": "^1.0.0"
+              }
+            },
+            "istanbul-lib-report": {
+              "version": "2.0.4",
+              "bundled": true,
+              "requires": {
+                "istanbul-lib-coverage": "^2.0.3",
+                "make-dir": "^1.3.0",
+                "supports-color": "^6.0.0"
+              },
+              "dependencies": {
+                "supports-color": {
+                  "version": "6.1.0",
+                  "bundled": true,
+                  "requires": {
+                    "has-flag": "^3.0.0"
+                  }
+                }
+              }
+            },
+            "istanbul-lib-source-maps": {
+              "version": "3.0.2",
+              "bundled": true,
+              "requires": {
+                "debug": "^4.1.1",
+                "istanbul-lib-coverage": "^2.0.3",
+                "make-dir": "^1.3.0",
+                "rimraf": "^2.6.2",
+                "source-map": "^0.6.1"
+              },
+              "dependencies": {
+                "source-map": {
+                  "version": "0.6.1",
+                  "bundled": true
+                }
+              }
+            },
+            "istanbul-reports": {
+              "version": "2.1.1",
+              "bundled": true,
+              "requires": {
+                "handlebars": "^4.1.0"
+              }
+            },
+            "json-parse-better-errors": {
+              "version": "1.0.2",
+              "bundled": true
+            },
+            "lcid": {
+              "version": "2.0.0",
+              "bundled": true,
+              "requires": {
+                "invert-kv": "^2.0.0"
+              }
+            },
+            "load-json-file": {
+              "version": "4.0.0",
+              "bundled": true,
+              "requires": {
+                "graceful-fs": "^4.1.2",
+                "parse-json": "^4.0.0",
+                "pify": "^3.0.0",
+                "strip-bom": "^3.0.0"
+              }
+            },
+            "locate-path": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "p-locate": "^3.0.0",
+                "path-exists": "^3.0.0"
+              }
+            },
+            "lodash": {
+              "version": "4.17.11",
+              "bundled": true
+            },
+            "lodash.flattendeep": {
+              "version": "4.4.0",
+              "bundled": true
+            },
+            "lru-cache": {
+              "version": "4.1.5",
+              "bundled": true,
+              "requires": {
+                "pseudomap": "^1.0.2",
+                "yallist": "^2.1.2"
+              }
+            },
+            "make-dir": {
+              "version": "1.3.0",
+              "bundled": true,
+              "requires": {
+                "pify": "^3.0.0"
+              }
+            },
+            "map-age-cleaner": {
+              "version": "0.1.3",
+              "bundled": true,
+              "requires": {
+                "p-defer": "^1.0.0"
+              }
+            },
+            "mem": {
+              "version": "4.1.0",
+              "bundled": true,
+              "requires": {
+                "map-age-cleaner": "^0.1.1",
+                "mimic-fn": "^1.0.0",
+                "p-is-promise": "^2.0.0"
+              }
+            },
+            "merge-source-map": {
+              "version": "1.1.0",
+              "bundled": true,
+              "requires": {
+                "source-map": "^0.6.1"
+              },
+              "dependencies": {
+                "source-map": {
+                  "version": "0.6.1",
+                  "bundled": true
+                }
+              }
+            },
+            "mimic-fn": {
+              "version": "1.2.0",
+              "bundled": true
+            },
+            "minimatch": {
+              "version": "3.0.4",
+              "bundled": true,
+              "requires": {
+                "brace-expansion": "^1.1.7"
+              }
+            },
+            "minimist": {
+              "version": "0.0.10",
+              "bundled": true
+            },
+            "mkdirp": {
+              "version": "0.5.1",
+              "bundled": true,
+              "requires": {
+                "minimist": "0.0.8"
+              },
+              "dependencies": {
+                "minimist": {
+                  "version": "0.0.8",
+                  "bundled": true
+                }
+              }
+            },
+            "ms": {
+              "version": "2.1.1",
+              "bundled": true
+            },
+            "nice-try": {
+              "version": "1.0.5",
+              "bundled": true
+            },
+            "normalize-package-data": {
+              "version": "2.5.0",
+              "bundled": true,
+              "requires": {
+                "hosted-git-info": "^2.1.4",
+                "resolve": "^1.10.0",
+                "semver": "2 || 3 || 4 || 5",
+                "validate-npm-package-license": "^3.0.1"
+              }
+            },
+            "npm-run-path": {
+              "version": "2.0.2",
+              "bundled": true,
+              "requires": {
+                "path-key": "^2.0.0"
+              }
+            },
+            "number-is-nan": {
+              "version": "1.0.1",
+              "bundled": true
+            },
+            "once": {
+              "version": "1.4.0",
+              "bundled": true,
+              "requires": {
+                "wrappy": "1"
+              }
+            },
+            "optimist": {
+              "version": "0.6.1",
+              "bundled": true,
+              "requires": {
+                "minimist": "~0.0.1",
+                "wordwrap": "~0.0.2"
+              }
+            },
+            "os-homedir": {
+              "version": "1.0.2",
+              "bundled": true
+            },
+            "os-locale": {
+              "version": "3.1.0",
+              "bundled": true,
+              "requires": {
+                "execa": "^1.0.0",
+                "lcid": "^2.0.0",
+                "mem": "^4.0.0"
+              }
+            },
+            "p-defer": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "p-finally": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "p-is-promise": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "p-limit": {
+              "version": "2.1.0",
+              "bundled": true,
+              "requires": {
+                "p-try": "^2.0.0"
+              }
+            },
+            "p-locate": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "p-limit": "^2.0.0"
+              }
+            },
+            "p-try": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "package-hash": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "graceful-fs": "^4.1.15",
+                "hasha": "^3.0.0",
+                "lodash.flattendeep": "^4.4.0",
+                "release-zalgo": "^1.0.0"
+              }
+            },
+            "parse-json": {
+              "version": "4.0.0",
+              "bundled": true,
+              "requires": {
+                "error-ex": "^1.3.1",
+                "json-parse-better-errors": "^1.0.1"
+              }
+            },
+            "path-exists": {
+              "version": "3.0.0",
+              "bundled": true
+            },
+            "path-is-absolute": {
+              "version": "1.0.1",
+              "bundled": true
+            },
+            "path-key": {
+              "version": "2.0.1",
+              "bundled": true
+            },
+            "path-parse": {
+              "version": "1.0.6",
+              "bundled": true
+            },
+            "path-type": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "pify": "^3.0.0"
+              }
+            },
+            "pify": {
+              "version": "3.0.0",
+              "bundled": true
+            },
+            "pkg-dir": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "find-up": "^3.0.0"
+              }
+            },
+            "pseudomap": {
+              "version": "1.0.2",
+              "bundled": true
+            },
+            "pump": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "end-of-stream": "^1.1.0",
+                "once": "^1.3.1"
+              }
+            },
+            "read-pkg": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "load-json-file": "^4.0.0",
+                "normalize-package-data": "^2.3.2",
+                "path-type": "^3.0.0"
+              }
+            },
+            "read-pkg-up": {
+              "version": "4.0.0",
+              "bundled": true,
+              "requires": {
+                "find-up": "^3.0.0",
+                "read-pkg": "^3.0.0"
+              }
+            },
+            "release-zalgo": {
+              "version": "1.0.0",
+              "bundled": true,
+              "requires": {
+                "es6-error": "^4.0.1"
+              }
+            },
+            "require-directory": {
+              "version": "2.1.1",
+              "bundled": true
+            },
+            "require-main-filename": {
+              "version": "1.0.1",
+              "bundled": true
+            },
+            "resolve": {
+              "version": "1.10.0",
+              "bundled": true,
+              "requires": {
+                "path-parse": "^1.0.6"
+              }
+            },
+            "resolve-from": {
+              "version": "4.0.0",
+              "bundled": true
+            },
+            "rimraf": {
+              "version": "2.6.3",
+              "bundled": true,
+              "requires": {
+                "glob": "^7.1.3"
+              }
+            },
+            "safe-buffer": {
+              "version": "5.1.2",
+              "bundled": true
+            },
+            "semver": {
+              "version": "5.6.0",
+              "bundled": true
+            },
+            "set-blocking": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "shebang-command": {
+              "version": "1.2.0",
+              "bundled": true,
+              "requires": {
+                "shebang-regex": "^1.0.0"
+              }
+            },
+            "shebang-regex": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "signal-exit": {
+              "version": "3.0.2",
+              "bundled": true
+            },
+            "spawn-wrap": {
+              "version": "1.4.2",
+              "bundled": true,
+              "requires": {
+                "foreground-child": "^1.5.6",
+                "mkdirp": "^0.5.0",
+                "os-homedir": "^1.0.1",
+                "rimraf": "^2.6.2",
+                "signal-exit": "^3.0.2",
+                "which": "^1.3.0"
+              }
+            },
+            "spdx-correct": {
+              "version": "3.1.0",
+              "bundled": true,
+              "requires": {
+                "spdx-expression-parse": "^3.0.0",
+                "spdx-license-ids": "^3.0.0"
+              }
+            },
+            "spdx-exceptions": {
+              "version": "2.2.0",
+              "bundled": true
+            },
+            "spdx-expression-parse": {
+              "version": "3.0.0",
+              "bundled": true,
+              "requires": {
+                "spdx-exceptions": "^2.1.0",
+                "spdx-license-ids": "^3.0.0"
+              }
+            },
+            "spdx-license-ids": {
+              "version": "3.0.3",
+              "bundled": true
+            },
+            "string-width": {
+              "version": "2.1.1",
+              "bundled": true,
+              "requires": {
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^4.0.0"
+              }
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "bundled": true,
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            },
+            "strip-bom": {
+              "version": "3.0.0",
+              "bundled": true
+            },
+            "strip-eof": {
+              "version": "1.0.0",
+              "bundled": true
+            },
+            "test-exclude": {
+              "version": "5.1.0",
+              "bundled": true,
+              "requires": {
+                "arrify": "^1.0.1",
+                "minimatch": "^3.0.4",
+                "read-pkg-up": "^4.0.0",
+                "require-main-filename": "^1.0.1"
+              }
+            },
+            "uglify-js": {
+              "version": "3.4.9",
+              "bundled": true,
+              "optional": true,
+              "requires": {
+                "commander": "~2.17.1",
+                "source-map": "~0.6.1"
+              },
+              "dependencies": {
+                "source-map": {
+                  "version": "0.6.1",
+                  "bundled": true,
+                  "optional": true
+                }
+              }
+            },
+            "uuid": {
+              "version": "3.3.2",
+              "bundled": true
+            },
+            "validate-npm-package-license": {
+              "version": "3.0.4",
+              "bundled": true,
+              "requires": {
+                "spdx-correct": "^3.0.0",
+                "spdx-expression-parse": "^3.0.0"
+              }
+            },
+            "which": {
+              "version": "1.3.1",
+              "bundled": true,
+              "requires": {
+                "isexe": "^2.0.0"
+              }
+            },
+            "which-module": {
+              "version": "2.0.0",
+              "bundled": true
+            },
+            "wordwrap": {
+              "version": "0.0.3",
+              "bundled": true
+            },
+            "wrap-ansi": {
+              "version": "2.1.0",
+              "bundled": true,
+              "requires": {
+                "string-width": "^1.0.1",
+                "strip-ansi": "^3.0.1"
+              },
+              "dependencies": {
+                "ansi-regex": {
+                  "version": "2.1.1",
+                  "bundled": true
+                },
+                "is-fullwidth-code-point": {
+                  "version": "1.0.0",
+                  "bundled": true,
+                  "requires": {
+                    "number-is-nan": "^1.0.0"
+                  }
+                },
+                "string-width": {
+                  "version": "1.0.2",
+                  "bundled": true,
+                  "requires": {
+                    "code-point-at": "^1.0.0",
+                    "is-fullwidth-code-point": "^1.0.0",
+                    "strip-ansi": "^3.0.0"
+                  }
+                },
+                "strip-ansi": {
+                  "version": "3.0.1",
+                  "bundled": true,
+                  "requires": {
+                    "ansi-regex": "^2.0.0"
+                  }
+                }
+              }
+            },
+            "wrappy": {
+              "version": "1.0.2",
+              "bundled": true
+            },
+            "write-file-atomic": {
+              "version": "2.4.2",
+              "bundled": true,
+              "requires": {
+                "graceful-fs": "^4.1.11",
+                "imurmurhash": "^0.1.4",
+                "signal-exit": "^3.0.2"
+              }
+            },
+            "y18n": {
+              "version": "4.0.0",
+              "bundled": true
+            },
+            "yallist": {
+              "version": "2.1.2",
+              "bundled": true
+            },
+            "yargs": {
+              "version": "12.0.5",
+              "bundled": true,
+              "requires": {
+                "cliui": "^4.0.0",
+                "decamelize": "^1.2.0",
+                "find-up": "^3.0.0",
+                "get-caller-file": "^1.0.1",
+                "os-locale": "^3.0.0",
+                "require-directory": "^2.1.1",
+                "require-main-filename": "^1.0.1",
+                "set-blocking": "^2.0.0",
+                "string-width": "^2.0.0",
+                "which-module": "^2.0.0",
+                "y18n": "^3.2.1 || ^4.0.0",
+                "yargs-parser": "^11.1.1"
+              }
+            },
+            "yargs-parser": {
+              "version": "11.1.1",
+              "bundled": true,
+              "requires": {
+                "camelcase": "^5.0.0",
+                "decamelize": "^1.2.0"
+              }
             }
           }
         },
@@ -5009,6 +9111,34 @@
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
           "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
         },
+        "object-copy": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/object-copy/-/object-copy-0.1.0.tgz",
+          "integrity": "sha1-fn2Fi3gb18mRpBupde04EnVOmYw=",
+          "requires": {
+            "copy-descriptor": "^0.1.0",
+            "define-property": "^0.2.5",
+            "kind-of": "^3.0.3"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "0.2.5",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+              "requires": {
+                "is-descriptor": "^0.1.0"
+              }
+            },
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
+        },
         "object-inspect": {
           "version": "1.6.0",
           "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.6.0.tgz",
@@ -5019,10 +9149,27 @@
           "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-0.4.0.tgz",
           "integrity": "sha1-KKaq50KN0sOpLz2V8hM13SBOAzY="
         },
+        "object-visit": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/object-visit/-/object-visit-1.0.1.tgz",
+          "integrity": "sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=",
+          "requires": {
+            "isobject": "^3.0.0"
+          }
+        },
+        "object.pick": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/object.pick/-/object.pick-1.3.0.tgz",
+          "integrity": "sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=",
+          "requires": {
+            "isobject": "^3.0.1"
+          }
+        },
         "oboe": {
           "version": "2.1.3",
           "resolved": "https://registry.npmjs.org/oboe/-/oboe-2.1.3.tgz",
           "integrity": "sha1-K0hl29Rr6BIlcT9Om/5Lz09oCk8=",
+          "optional": true,
           "requires": {
             "http-https": "^1.0.0"
           }
@@ -5031,6 +9178,7 @@
           "version": "2.3.0",
           "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
           "integrity": "sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=",
+          "optional": true,
           "requires": {
             "ee-first": "1.1.1"
           }
@@ -5043,6 +9191,32 @@
             "wrappy": "1"
           }
         },
+        "onetime": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
+          "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
+          "requires": {
+            "mimic-fn": "^1.0.0"
+          }
+        },
+        "optionator": {
+          "version": "0.8.2",
+          "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
+          "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
+          "requires": {
+            "deep-is": "~0.1.3",
+            "fast-levenshtein": "~2.0.4",
+            "levn": "~0.3.0",
+            "prelude-ls": "~1.1.2",
+            "type-check": "~0.3.2",
+            "wordwrap": "~1.0.0"
+          }
+        },
+        "os-browserify": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/os-browserify/-/os-browserify-0.3.0.tgz",
+          "integrity": "sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc="
+        },
         "os-homedir": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
@@ -5064,21 +9238,74 @@
         "p-cancelable": {
           "version": "0.3.0",
           "resolved": "https://registry.npmjs.org/p-cancelable/-/p-cancelable-0.3.0.tgz",
-          "integrity": "sha512-RVbZPLso8+jFeq1MfNvgXtCRED2raz/dKpacfTNxsx6pLEpEomM7gah6VeHSYV3+vo0OAi4MkArtQcWWXuQoyw=="
+          "integrity": "sha512-RVbZPLso8+jFeq1MfNvgXtCRED2raz/dKpacfTNxsx6pLEpEomM7gah6VeHSYV3+vo0OAi4MkArtQcWWXuQoyw==",
+          "optional": true
+        },
+        "p-defer": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
+          "integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww="
         },
         "p-finally": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
           "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
         },
+        "p-is-promise": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-2.0.0.tgz",
+          "integrity": "sha512-pzQPhYMCAgLAKPWD2jC3Se9fEfrD9npNos0y150EeqZll7akhEgGhTW/slB6lHku8AvYGiJ+YJ5hfHKePPgFWg=="
+        },
+        "p-limit": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+          "requires": {
+            "p-try": "^1.0.0"
+          }
+        },
+        "p-locate": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+          "requires": {
+            "p-limit": "^1.1.0"
+          }
+        },
+        "p-map": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/p-map/-/p-map-1.2.0.tgz",
+          "integrity": "sha512-r6zKACMNhjPJMTl8KcFH4li//gkrXWfbD6feV8l6doRHlzljFWGJ2AP6iKaCJXyZmAUMOPtvbW7EXkbWO/pLEA=="
+        },
         "p-timeout": {
           "version": "1.2.1",
           "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-1.2.1.tgz",
           "integrity": "sha1-XrOzU7f86Z8QGhA4iAuwVOu+o4Y=",
+          "optional": true,
           "requires": {
             "p-finally": "^1.0.0"
           }
         },
+        "p-try": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M="
+        },
+        "pako": {
+          "version": "1.0.8",
+          "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.8.tgz",
+          "integrity": "sha512-6i0HVbUfcKaTv+EG8ZTr75az7GFXcLYk9UyLEg7Notv/Ma+z/UG3TCoz6GiNeOrn1E/e63I0X/Hpw18jHOTUnA=="
+        },
+        "parallel-transform": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/parallel-transform/-/parallel-transform-1.1.0.tgz",
+          "integrity": "sha1-1BDwZbBdojCB/NEPKIVMKb2jOwY=",
+          "requires": {
+            "cyclist": "~0.2.2",
+            "inherits": "^2.0.3",
+            "readable-stream": "^2.1.5"
+          }
+        },
         "parse-asn1": {
           "version": "5.1.4",
           "resolved": "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.4.tgz",
@@ -5112,7 +9339,23 @@
         "parseurl": {
           "version": "1.3.2",
           "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.2.tgz",
-          "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M="
+          "integrity": "sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=",
+          "optional": true
+        },
+        "pascalcase": {
+          "version": "0.1.1",
+          "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
+          "integrity": "sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ="
+        },
+        "path-browserify": {
+          "version": "0.0.0",
+          "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-0.0.0.tgz",
+          "integrity": "sha1-oLhwcpquIUAFt9UDLsLLuw+0RRo="
+        },
+        "path-dirname": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/path-dirname/-/path-dirname-1.0.2.tgz",
+          "integrity": "sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA="
         },
         "path-exists": {
           "version": "2.1.0",
@@ -5127,6 +9370,16 @@
           "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
           "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
         },
+        "path-is-inside": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/path-is-inside/-/path-is-inside-1.0.2.tgz",
+          "integrity": "sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM="
+        },
+        "path-key": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
+          "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A="
+        },
         "path-parse": {
           "version": "1.0.6",
           "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
@@ -5135,7 +9388,8 @@
         "path-to-regexp": {
           "version": "0.1.7",
           "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
-          "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
+          "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=",
+          "optional": true
         },
         "path-type": {
           "version": "1.1.0",
@@ -5177,6 +9431,11 @@
           "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
           "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
         },
+        "pify": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.0.tgz",
+          "integrity": "sha512-zrSP/KDf9DH3K3VePONoCstgPiYJy9z0SCatZuTpOc7YdnWIqwkWdXOuwlr4uDc7em8QZRsFWsT/685x5InjYg=="
+        },
         "pinkie": {
           "version": "2.0.4",
           "resolved": "https://registry.npmjs.org/pinkie/-/pinkie-2.0.4.tgz",
@@ -5190,15 +9449,87 @@
             "pinkie": "^2.0.0"
           }
         },
+        "pkg-dir": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
+          "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+          "requires": {
+            "find-up": "^2.1.0"
+          },
+          "dependencies": {
+            "find-up": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+              "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+              "requires": {
+                "locate-path": "^2.0.0"
+              }
+            }
+          }
+        },
+        "please-upgrade-node": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.1.1.tgz",
+          "integrity": "sha512-KY1uHnQ2NlQHqIJQpnh/i54rKkuxCEBx+voJIS/Mvb+L2iYd2NMotwduhKTMjfC1uKoX3VXOxLjIYG66dfJTVQ==",
+          "requires": {
+            "semver-compare": "^1.0.0"
+          }
+        },
+        "pluralize": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/pluralize/-/pluralize-7.0.0.tgz",
+          "integrity": "sha512-ARhBOdzS3e41FbkW/XWrTEtukqqLoK5+Z/4UeDaLuSW+39JPeFgs4gCGqsrJHVZX0fUrx//4OF0K1CUGwlIFow=="
+        },
+        "portfinder": {
+          "version": "1.0.20",
+          "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.20.tgz",
+          "integrity": "sha512-Yxe4mTyDzTd59PZJY4ojZR8F+E5e97iq2ZOHPz3HDgSvYC5siNad2tLooQ5y5QHyQhc3xVqvyk/eNA3wuoa7Sw==",
+          "requires": {
+            "async": "^1.5.2",
+            "debug": "^2.2.0",
+            "mkdirp": "0.5.x"
+          },
+          "dependencies": {
+            "async": {
+              "version": "1.5.2",
+              "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+              "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+            },
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            }
+          }
+        },
+        "posix-character-classes": {
+          "version": "0.1.1",
+          "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
+          "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
+        },
         "precond": {
           "version": "0.2.3",
           "resolved": "https://registry.npmjs.org/precond/-/precond-0.2.3.tgz",
           "integrity": "sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw="
         },
+        "prelude-ls": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+          "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
+        },
         "prepend-http": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
-          "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
+          "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=",
+          "optional": true
+        },
+        "prettier": {
+          "version": "1.16.4",
+          "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.16.4.tgz",
+          "integrity": "sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g=="
         },
         "private": {
           "version": "0.1.8",
@@ -5215,6 +9546,16 @@
           "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
           "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
         },
+        "progress": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
+          "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA=="
+        },
+        "promise-inflight": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/promise-inflight/-/promise-inflight-1.0.1.tgz",
+          "integrity": "sha1-mEcocL8igTL8vdhoEputEsPAKeM="
+        },
         "promise-to-callback": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/promise-to-callback/-/promise-to-callback-1.0.0.tgz",
@@ -5224,10 +9565,16 @@
             "set-immediate-shim": "^1.0.1"
           }
         },
+        "property-expr": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/property-expr/-/property-expr-1.5.1.tgz",
+          "integrity": "sha512-CGuc0VUTGthpJXL36ydB6jnbyOf/rAHFvmVrJlH+Rg0DqqLFQGAP6hIaxD/G0OAmBJPhXDHuEJigrp0e0wFV6g=="
+        },
         "proxy-addr": {
           "version": "2.0.4",
           "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.4.tgz",
           "integrity": "sha512-5erio2h9jp5CHGwcybmxmVqHmnCBZeewlfJ0pex+UW7Qny7OOZXTtH56TGNyBizkgiOwhJtMKrVzDTeKcySZwA==",
+          "optional": true,
           "requires": {
             "forwarded": "~0.1.2",
             "ipaddr.js": "1.8.0"
@@ -5252,7 +9599,6 @@
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.3.tgz",
           "integrity": "sha512-zVpa8oKZSz5bTMTFClc1fQOnyyEzpl5ozpi1B5YcvBrdohMjH2rfsBtyXcuNuwjsDIXmBYlF2N5FlJYhR29t8Q==",
-          "optional": true,
           "requires": {
             "bn.js": "^4.1.0",
             "browserify-rsa": "^4.0.0",
@@ -5313,6 +9659,36 @@
             "looper": "^2.0.0"
           }
         },
+        "pump": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
+          "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
+          }
+        },
+        "pumpify": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/pumpify/-/pumpify-1.5.1.tgz",
+          "integrity": "sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==",
+          "requires": {
+            "duplexify": "^3.6.0",
+            "inherits": "^2.0.3",
+            "pump": "^2.0.0"
+          },
+          "dependencies": {
+            "pump": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/pump/-/pump-2.0.1.tgz",
+              "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+              "requires": {
+                "end-of-stream": "^1.1.0",
+                "once": "^1.3.1"
+              }
+            }
+          }
+        },
         "punycode": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
@@ -5327,12 +9703,23 @@
           "version": "5.1.1",
           "resolved": "https://registry.npmjs.org/query-string/-/query-string-5.1.1.tgz",
           "integrity": "sha512-gjWOsm2SoGlgLEdAGt7a6slVOk9mGiXmPFMqrEhLQ68rhQuBnpfs3+EmlvqKyxnCo9/PPlF+9MtY02S1aFg+Jw==",
+          "optional": true,
           "requires": {
             "decode-uri-component": "^0.2.0",
             "object-assign": "^4.1.0",
             "strict-uri-encode": "^1.0.0"
           }
         },
+        "querystring": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
+          "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
+        },
+        "querystring-es3": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/querystring-es3/-/querystring-es3-0.2.1.tgz",
+          "integrity": "sha1-nsYfeQSYdXB9aUFFlv2Qek1xHnM="
+        },
         "randombytes": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -5345,7 +9732,6 @@
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/randomfill/-/randomfill-1.0.4.tgz",
           "integrity": "sha512-87lcbR8+MhcWcUiQ+9e+Rwx8MyR2P7qnt15ynUlbm3TU/fjbgz4GsvfSUDTemtCCtVCqb4ZcEFlyPNTh9bBTLw==",
-          "optional": true,
           "requires": {
             "randombytes": "^2.0.5",
             "safe-buffer": "^5.1.0"
@@ -5354,17 +9740,20 @@
         "randomhex": {
           "version": "0.1.5",
           "resolved": "https://registry.npmjs.org/randomhex/-/randomhex-0.1.5.tgz",
-          "integrity": "sha1-us7vmCMpCRQA8qKRLGzQLxCU9YU="
+          "integrity": "sha1-us7vmCMpCRQA8qKRLGzQLxCU9YU=",
+          "optional": true
         },
         "range-parser": {
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.0.tgz",
-          "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4="
+          "integrity": "sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=",
+          "optional": true
         },
         "raw-body": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.3.3.tgz",
           "integrity": "sha512-9esiElv1BrZoI3rCDuOuKCBRbuApGGaDPQfjSflGxdy4oyzqghxu6klEkkVIvBje+FF0BX9coEv8KqW6X/7njw==",
+          "optional": true,
           "requires": {
             "bytes": "3.0.0",
             "http-errors": "1.6.3",
@@ -5420,6 +9809,16 @@
             }
           }
         },
+        "readdirp": {
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-2.2.1.tgz",
+          "integrity": "sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==",
+          "requires": {
+            "graceful-fs": "^4.1.11",
+            "micromatch": "^3.1.10",
+            "readable-stream": "^2.0.2"
+          }
+        },
         "regenerate": {
           "version": "1.4.0",
           "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.0.tgz",
@@ -5440,6 +9839,20 @@
             "private": "^0.1.6"
           }
         },
+        "regex-not": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz",
+          "integrity": "sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==",
+          "requires": {
+            "extend-shallow": "^3.0.2",
+            "safe-regex": "^1.1.0"
+          }
+        },
+        "regexpp": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
+          "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw=="
+        },
         "regexpu-core": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
@@ -5463,6 +9876,21 @@
             "jsesc": "~0.5.0"
           }
         },
+        "remove-trailing-separator": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
+          "integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8="
+        },
+        "repeat-element": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.3.tgz",
+          "integrity": "sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g=="
+        },
+        "repeat-string": {
+          "version": "1.6.1",
+          "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
+          "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc="
+        },
         "repeating": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
@@ -5513,6 +9941,15 @@
           "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
           "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
         },
+        "require-uncached": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz",
+          "integrity": "sha1-Tg1W1slmL9MeQwEcS5WqSZVUIdM=",
+          "requires": {
+            "caller-path": "^0.1.0",
+            "resolve-from": "^1.0.0"
+          }
+        },
         "resolve": {
           "version": "1.10.0",
           "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.0.tgz",
@@ -5521,6 +9958,40 @@
             "path-parse": "^1.0.6"
           }
         },
+        "resolve-cwd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-cwd/-/resolve-cwd-2.0.0.tgz",
+          "integrity": "sha1-AKn3OHVW4nA46uIyyqNypqWbZlo=",
+          "requires": {
+            "resolve-from": "^3.0.0"
+          },
+          "dependencies": {
+            "resolve-from": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
+              "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g="
+            }
+          }
+        },
+        "resolve-from": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz",
+          "integrity": "sha1-Jsv+k10a7uq7Kbw/5a6wHpPUQiY="
+        },
+        "resolve-url": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/resolve-url/-/resolve-url-0.2.1.tgz",
+          "integrity": "sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo="
+        },
+        "restore-cursor": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-2.0.0.tgz",
+          "integrity": "sha1-n37ih/gv0ybU/RYpI9YhKe7g368=",
+          "requires": {
+            "onetime": "^2.0.0",
+            "signal-exit": "^3.0.2"
+          }
+        },
         "resumer": {
           "version": "0.0.0",
           "resolved": "https://registry.npmjs.org/resumer/-/resumer-0.0.0.tgz",
@@ -5529,6 +10000,11 @@
             "through": "~2.3.4"
           }
         },
+        "ret": {
+          "version": "0.1.15",
+          "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
+          "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg=="
+        },
         "rimraf": {
           "version": "2.6.3",
           "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
@@ -5554,11 +10030,40 @@
             "safe-buffer": "^5.1.1"
           }
         },
+        "run-async": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz",
+          "integrity": "sha1-A3GrSuC91yDUFm19/aZP96RFpsA=",
+          "requires": {
+            "is-promise": "^2.1.0"
+          }
+        },
+        "run-node": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/run-node/-/run-node-1.0.0.tgz",
+          "integrity": "sha512-kc120TBlQ3mih1LSzdAJXo4xn/GWS2ec0l3S+syHDXP9uRr0JAT8Qd3mdMuyjqCzeZktgP3try92cEgf9Nks8A=="
+        },
+        "run-queue": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/run-queue/-/run-queue-1.0.3.tgz",
+          "integrity": "sha1-6Eg5bwV9Ij8kOGkkYY4laUFh7Ec=",
+          "requires": {
+            "aproba": "^1.1.1"
+          }
+        },
         "rustbn.js": {
           "version": "0.2.0",
           "resolved": "https://registry.npmjs.org/rustbn.js/-/rustbn.js-0.2.0.tgz",
           "integrity": "sha512-4VlvkRUuCJvr2J6Y0ImW7NvTCriMi7ErOAqWk1y69vAdoNIzCF3yPmgeNzx+RQTLEDFq5sHfscn1MwHxP9hNfA=="
         },
+        "rxjs": {
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
+          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "requires": {
+            "tslib": "^1.9.0"
+          }
+        },
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -5572,11 +10077,28 @@
             "events": "^3.0.0"
           }
         },
+        "safe-regex": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
+          "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
+          "requires": {
+            "ret": "~0.1.10"
+          }
+        },
         "safer-buffer": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
           "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
         },
+        "schema-utils": {
+          "version": "0.4.7",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz",
+          "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
+          "requires": {
+            "ajv": "^6.1.0",
+            "ajv-keywords": "^3.1.0"
+          }
+        },
         "scrypt": {
           "version": "6.0.3",
           "resolved": "https://registry.npmjs.org/scrypt/-/scrypt-6.0.3.tgz",
@@ -5586,6 +10108,11 @@
             "nan": "^2.0.8"
           }
         },
+        "scrypt-js": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.4.tgz",
+          "integrity": "sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw=="
+        },
         "scrypt.js": {
           "version": "0.2.1",
           "resolved": "https://registry.npmjs.org/scrypt.js/-/scrypt.js-0.2.1.tgz",
@@ -5640,14 +10167,20 @@
           "integrity": "sha512-O4OZEaNtkMd/K0i6js9SL+gqy0ZCBMgUvlSqHKi4IBdjhe7wB8pwztUk1BbZ1fmrvpwFrPbHzqd2w5pTcJH6LA=="
         },
         "semver": {
-          "version": "5.4.1",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.4.1.tgz",
-          "integrity": "sha512-WfG/X9+oATh81XtllIo/I8gOiY9EXRdv1cQdyykeXK17YcUW3EXUAi2To4pcH6nZtJPr7ZOpM5OMyWJZm+8Rsg=="
+          "version": "5.6.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+          "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+        },
+        "semver-compare": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/semver-compare/-/semver-compare-1.0.0.tgz",
+          "integrity": "sha1-De4hahyUGrN+nvsXiPavxf9VN/w="
         },
         "send": {
           "version": "0.16.2",
           "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
           "integrity": "sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==",
+          "optional": true,
           "requires": {
             "debug": "2.6.9",
             "depd": "~1.1.2",
@@ -5668,6 +10201,7 @@
               "version": "2.6.9",
               "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
               "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
@@ -5675,14 +10209,21 @@
             "statuses": {
               "version": "1.4.0",
               "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.4.0.tgz",
-              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew=="
+              "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+              "optional": true
             }
           }
         },
+        "serialize-javascript": {
+          "version": "1.6.1",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.6.1.tgz",
+          "integrity": "sha512-A5MOagrPFga4YaKQSWHryl7AXvbQkEqpw4NNYMTNYUNV51bA8ABHgYFpqKx+YFFrw59xMV1qGH1R4AgoNIVgCw=="
+        },
         "serve-static": {
           "version": "1.13.2",
           "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
           "integrity": "sha512-p/tdJrO4U387R9oMjb1oj7qSMaMfmOyd4j9hOFoxZe2baQszgHcSWjuya/CiT5kgZZKRudHNOA0pYXOl8rQ5nw==",
+          "optional": true,
           "requires": {
             "encodeurl": "~1.0.2",
             "escape-html": "~1.0.3",
@@ -5694,6 +10235,7 @@
           "version": "0.1.12",
           "resolved": "https://registry.npmjs.org/servify/-/servify-0.1.12.tgz",
           "integrity": "sha512-/xE6GvsKKqyo1BAY+KxOWXcLpPsUUyji7Qg3bVD7hh1eRze5bR1uYiuDA/k3Gof1s9BTzQZEJK8sNcNGFIzeWw==",
+          "optional": true,
           "requires": {
             "body-parser": "^1.16.0",
             "cors": "^2.8.1",
@@ -5712,16 +10254,37 @@
           "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
           "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E="
         },
+        "set-value": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
+          "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
+          "requires": {
+            "extend-shallow": "^2.0.1",
+            "is-extendable": "^0.1.1",
+            "is-plain-object": "^2.0.3",
+            "split-string": "^3.0.1"
+          },
+          "dependencies": {
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            }
+          }
+        },
         "setimmediate": {
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
-          "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=",
-          "optional": true
+          "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
         },
         "setprototypeof": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
-          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
+          "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ==",
+          "optional": true
         },
         "sha.js": {
           "version": "2.4.11",
@@ -5732,39 +10295,260 @@
             "safe-buffer": "^5.0.1"
           }
         },
-        "sha3": {
-          "version": "1.2.2",
-          "resolved": "https://registry.npmjs.org/sha3/-/sha3-1.2.2.tgz",
-          "integrity": "sha1-pmxQmN5MJbyIM27ItIF9AFvKe6k=",
+        "sha3": {
+          "version": "1.2.2",
+          "resolved": "https://registry.npmjs.org/sha3/-/sha3-1.2.2.tgz",
+          "integrity": "sha1-pmxQmN5MJbyIM27ItIF9AFvKe6k=",
+          "requires": {
+            "nan": "2.10.0"
+          }
+        },
+        "shebang-command": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
+          "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
+          "requires": {
+            "shebang-regex": "^1.0.0"
+          }
+        },
+        "shebang-regex": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
+          "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
+        },
+        "signal-exit": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
+          "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
+        },
+        "simple-concat": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
+          "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
+          "optional": true
+        },
+        "simple-get": {
+          "version": "2.8.1",
+          "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
+          "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
+          "optional": true,
+          "requires": {
+            "decompress-response": "^3.3.0",
+            "once": "^1.3.1",
+            "simple-concat": "^1.0.0"
+          }
+        },
+        "simple-git": {
+          "version": "1.107.0",
+          "resolved": "https://registry.npmjs.org/simple-git/-/simple-git-1.107.0.tgz",
+          "integrity": "sha512-t4OK1JRlp4ayKRfcW6owrWcRVLyHRUlhGd0uN6ZZTqfDq8a5XpcUdOKiGRNobHEuMtNqzp0vcJNvhYWwh5PsQA==",
+          "requires": {
+            "debug": "^4.0.1"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "4.1.1",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+              "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+              "requires": {
+                "ms": "^2.1.1"
+              }
+            },
+            "ms": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+              "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+            }
+          }
+        },
+        "slash": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz",
+          "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU="
+        },
+        "slice-ansi": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
+          "integrity": "sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==",
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "astral-regex": "^1.0.0",
+            "is-fullwidth-code-point": "^2.0.0"
+          },
+          "dependencies": {
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+            }
+          }
+        },
+        "snapdragon": {
+          "version": "0.8.2",
+          "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
+          "integrity": "sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==",
+          "requires": {
+            "base": "^0.11.1",
+            "debug": "^2.2.0",
+            "define-property": "^0.2.5",
+            "extend-shallow": "^2.0.1",
+            "map-cache": "^0.2.2",
+            "source-map": "^0.5.6",
+            "source-map-resolve": "^0.5.0",
+            "use": "^3.1.0"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "define-property": {
+              "version": "0.2.5",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+              "requires": {
+                "is-descriptor": "^0.1.0"
+              }
+            },
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            },
+            "source-map": {
+              "version": "0.5.7",
+              "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+              "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
+            }
+          }
+        },
+        "snapdragon-node": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/snapdragon-node/-/snapdragon-node-2.1.1.tgz",
+          "integrity": "sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==",
           "requires": {
-            "nan": "2.10.0"
+            "define-property": "^1.0.0",
+            "isobject": "^3.0.0",
+            "snapdragon-util": "^3.0.1"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
+              "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
+              "requires": {
+                "is-descriptor": "^1.0.0"
+              }
+            },
+            "is-accessor-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
+              "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-data-descriptor": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
+              "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
+              "requires": {
+                "kind-of": "^6.0.0"
+              }
+            },
+            "is-descriptor": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
+              "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
+              "requires": {
+                "is-accessor-descriptor": "^1.0.0",
+                "is-data-descriptor": "^1.0.0",
+                "kind-of": "^6.0.2"
+              }
+            }
           }
         },
-        "simple-concat": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
-          "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY="
+        "snapdragon-util": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/snapdragon-util/-/snapdragon-util-3.0.1.tgz",
+          "integrity": "sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==",
+          "requires": {
+            "kind-of": "^3.2.0"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
         },
-        "simple-get": {
-          "version": "2.8.1",
-          "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-2.8.1.tgz",
-          "integrity": "sha512-lSSHRSw3mQNUGPAYRqo7xy9dhKmxFXIjLjp4KHpf99GEH2VH7C3AM+Qfx6du6jhfUi6Vm7XnbEVEf7Wb6N8jRw==",
+        "solc": {
+          "version": "0.4.24",
+          "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.24.tgz",
+          "integrity": "sha512-2xd7Cf1HeVwrIb6Bu1cwY2/TaLRodrppCq3l7rhLimFQgmxptXhTC3+/wesVLpB09F1A2kZgvbMOgH7wvhFnBQ==",
           "requires": {
-            "decompress-response": "^3.3.0",
-            "once": "^1.3.1",
-            "simple-concat": "^1.0.0"
+            "fs-extra": "^0.30.0",
+            "memorystream": "^0.3.1",
+            "require-from-string": "^1.1.0",
+            "semver": "^5.3.0",
+            "yargs": "^4.7.1"
+          },
+          "dependencies": {
+            "fs-extra": {
+              "version": "0.30.0",
+              "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
+              "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
+              "requires": {
+                "graceful-fs": "^4.1.2",
+                "jsonfile": "^2.1.0",
+                "klaw": "^1.0.0",
+                "path-is-absolute": "^1.0.0",
+                "rimraf": "^2.2.8"
+              }
+            }
           }
         },
-        "slash": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz",
-          "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU="
+        "source-list-map": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.1.tgz",
+          "integrity": "sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw=="
         },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
         },
+        "source-map-resolve": {
+          "version": "0.5.2",
+          "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.2.tgz",
+          "integrity": "sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==",
+          "requires": {
+            "atob": "^2.1.1",
+            "decode-uri-component": "^0.2.0",
+            "resolve-url": "^0.2.1",
+            "source-map-url": "^0.4.0",
+            "urix": "^0.1.0"
+          }
+        },
         "source-map-support": {
           "version": "0.5.9",
           "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.9.tgz",
@@ -5774,6 +10558,11 @@
             "source-map": "^0.6.0"
           }
         },
+        "source-map-url": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
+          "integrity": "sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM="
+        },
         "spdx-correct": {
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
@@ -5802,6 +10591,19 @@
           "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.3.tgz",
           "integrity": "sha512-uBIcIl3Ih6Phe3XHK1NqboJLdGfwr1UN3k6wSD1dZpmPsIkb8AGNbZYJ1fOBk834+Gxy8rpfDxrS6XLEMZMY2g=="
         },
+        "split-string": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
+          "integrity": "sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==",
+          "requires": {
+            "extend-shallow": "^3.0.0"
+          }
+        },
+        "sprintf-js": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+          "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
+        },
         "sshpk": {
           "version": "1.16.1",
           "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
@@ -5818,10 +10620,78 @@
             "tweetnacl": "~0.14.0"
           }
         },
+        "ssri": {
+          "version": "5.3.0",
+          "resolved": "https://registry.npmjs.org/ssri/-/ssri-5.3.0.tgz",
+          "integrity": "sha512-XRSIPqLij52MtgoQavH/x/dU1qVKtWUAAZeOHsR9c2Ddi4XerFy3mc1alf+dLJKl9EUIm/Ht+EowFkTUOA6GAQ==",
+          "requires": {
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "staged-git-files": {
+          "version": "1.1.2",
+          "resolved": "https://registry.npmjs.org/staged-git-files/-/staged-git-files-1.1.2.tgz",
+          "integrity": "sha512-0Eyrk6uXW6tg9PYkhi/V/J4zHp33aNyi2hOCmhFLqLTIhbgqWn5jlSzI+IU0VqrZq6+DbHcabQl/WP6P3BG0QA=="
+        },
+        "static-extend": {
+          "version": "0.1.2",
+          "resolved": "https://registry.npmjs.org/static-extend/-/static-extend-0.1.2.tgz",
+          "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
+          "requires": {
+            "define-property": "^0.2.5",
+            "object-copy": "^0.1.0"
+          },
+          "dependencies": {
+            "define-property": {
+              "version": "0.2.5",
+              "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
+              "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
+              "requires": {
+                "is-descriptor": "^0.1.0"
+              }
+            }
+          }
+        },
         "statuses": {
           "version": "1.5.0",
           "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
-          "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
+          "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
+          "optional": true
+        },
+        "stream-browserify": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.2.tgz",
+          "integrity": "sha512-nX6hmklHs/gr2FuxYDltq8fJA1GDlxKQCz8O/IM4atRqBH8OORmBNgfvW5gG10GT/qQ9u0CzIvr2X5Pkt6ntqg==",
+          "requires": {
+            "inherits": "~2.0.1",
+            "readable-stream": "^2.0.2"
+          }
+        },
+        "stream-each": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/stream-each/-/stream-each-1.2.3.tgz",
+          "integrity": "sha512-vlMC2f8I2u/bZGqkdfLQW/13Zihpej/7PmSiMQsbYddxuTsJp8vRe2x2FvVExZg7FaOds43ROAuFJwPR4MTZLw==",
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "stream-shift": "^1.0.0"
+          }
+        },
+        "stream-http": {
+          "version": "2.8.3",
+          "resolved": "https://registry.npmjs.org/stream-http/-/stream-http-2.8.3.tgz",
+          "integrity": "sha512-+TSkfINHDo4J+ZobQLWiMouQYB+UVYFttRA94FpEzzJ7ZdqcL4uUUQ7WkdkI4DSozGmgBUE/a47L+38PenXhUw==",
+          "requires": {
+            "builtin-status-codes": "^3.0.0",
+            "inherits": "^2.0.1",
+            "readable-stream": "^2.3.6",
+            "to-arraybuffer": "^1.0.0",
+            "xtend": "^4.0.0"
+          }
+        },
+        "stream-shift": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
+          "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
         },
         "stream-to-pull-stream": {
           "version": "1.7.2",
@@ -5842,7 +10712,13 @@
         "strict-uri-encode": {
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
-          "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM="
+          "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=",
+          "optional": true
+        },
+        "string-argv": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/string-argv/-/string-argv-0.0.2.tgz",
+          "integrity": "sha1-2sMECGkMIfPDYwo/86BYd73L1zY="
         },
         "string-width": {
           "version": "1.0.2",
@@ -5869,6 +10745,16 @@
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
         },
+        "stringify-object": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/stringify-object/-/stringify-object-3.3.0.tgz",
+          "integrity": "sha512-rHqiFh1elqCQ9WPLIC8I0Q/g/wj5J1eMkyoiD6eoQApWHP0FtlK7rqnhmabL5VUY9JQCcqwwvlOaSuutekgyrw==",
+          "requires": {
+            "get-own-enumerable-property-symbols": "^3.0.0",
+            "is-obj": "^1.0.1",
+            "is-regexp": "^1.0.0"
+          }
+        },
         "strip-ansi": {
           "version": "3.0.1",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -5894,6 +10780,11 @@
             "is-natural-number": "^4.0.1"
           }
         },
+        "strip-eof": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+          "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
+        },
         "strip-hex-prefix": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/strip-hex-prefix/-/strip-hex-prefix-1.0.0.tgz",
@@ -5902,6 +10793,11 @@
             "is-hex-prefixed": "1.0.0"
           }
         },
+        "strip-json-comments": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+          "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+        },
         "supports-color": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
@@ -5928,6 +10824,62 @@
             "xhr-request-promise": "^0.1.2"
           }
         },
+        "symbol-observable": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.2.0.tgz",
+          "integrity": "sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ=="
+        },
+        "synchronous-promise": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/synchronous-promise/-/synchronous-promise-2.0.6.tgz",
+          "integrity": "sha512-TyOuWLwkmtPL49LHCX1caIwHjRzcVd62+GF6h8W/jHOeZUFHpnd2XJDVuUlaTaLPH1nuu2M69mfHr5XbQJnf/g=="
+        },
+        "table": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/table/-/table-5.2.3.tgz",
+          "integrity": "sha512-N2RsDAMvDLvYwFcwbPyF3VmVSSkuF+G1e+8inhBLtHpvwXGw4QRPEZhihQNeEN0i1up6/f6ObCJXNdlRG3YVyQ==",
+          "requires": {
+            "ajv": "^6.9.1",
+            "lodash": "^4.17.11",
+            "slice-ansi": "^2.1.0",
+            "string-width": "^3.0.0"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.0.0.tgz",
+              "integrity": "sha512-iB5Dda8t/UqpPI/IjsejXu5jOGDrzn41wJyljwPH65VCIbk6+1BzFIMJGFwTNrYXT1CrD+B4l19U7awiQ8rk7w=="
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+            },
+            "string-width": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.0.0.tgz",
+              "integrity": "sha512-rr8CUxBbvOZDUvc5lNIJ+OC1nPVpz+Siw9VBtUjB9b6jZehZLFt0JMCZzShFHIsI8cbhm0EsNIfWJMFV3cu3Ew==",
+              "requires": {
+                "emoji-regex": "^7.0.1",
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^5.0.0"
+              }
+            },
+            "strip-ansi": {
+              "version": "5.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.0.0.tgz",
+              "integrity": "sha512-Uu7gQyZI7J7gn5qLn1Np3G9vcYGTVqB+lFTytnDJv83dd8T22aGH451P3jueT2/QemInJDfxHB5Tde5OzgG1Ow==",
+              "requires": {
+                "ansi-regex": "^4.0.0"
+              }
+            }
+          }
+        },
+        "tapable": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/tapable/-/tapable-1.1.1.tgz",
+          "integrity": "sha512-9I2ydhj8Z9veORCw5PRm4u9uebCn0mcCa6scWoNcbZ6dAtoo2618u9UUzxgmsCOreJpqDDuv61LvwofW7hLcBA=="
+        },
         "tape": {
           "version": "4.10.1",
           "resolved": "https://registry.npmjs.org/tape/-/tape-4.10.1.tgz",
@@ -5970,6 +10922,7 @@
           "version": "1.6.2",
           "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
           "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
+          "optional": true,
           "requires": {
             "bl": "^1.0.0",
             "buffer-alloc": "^1.2.0",
@@ -6001,10 +10954,32 @@
             }
           }
         },
+        "temp": {
+          "version": "0.8.3",
+          "resolved": "https://registry.npmjs.org/temp/-/temp-0.8.3.tgz",
+          "integrity": "sha1-4Ma8TSa5AxJEEOT+2BEDAU38H1k=",
+          "requires": {
+            "os-tmpdir": "^1.0.0",
+            "rimraf": "~2.2.6"
+          },
+          "dependencies": {
+            "rimraf": {
+              "version": "2.2.8",
+              "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz",
+              "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI="
+            }
+          }
+        },
+        "text-table": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+          "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ="
+        },
         "thenify": {
           "version": "3.3.0",
           "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.0.tgz",
           "integrity": "sha1-5p44obq+lpsBCCB5eLn2K4hgSDk=",
+          "optional": true,
           "requires": {
             "any-promise": "^1.0.0"
           }
@@ -6013,6 +10988,7 @@
           "version": "1.6.0",
           "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz",
           "integrity": "sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=",
+          "optional": true,
           "requires": {
             "thenify": ">= 3.1.0 < 4"
           }
@@ -6034,7 +11010,16 @@
         "timed-out": {
           "version": "4.0.1",
           "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
-          "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8="
+          "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=",
+          "optional": true
+        },
+        "timers-browserify": {
+          "version": "2.0.10",
+          "resolved": "https://registry.npmjs.org/timers-browserify/-/timers-browserify-2.0.10.tgz",
+          "integrity": "sha512-YvC1SV1XdOUaL6gx5CoGroT3Gu49pK9+TZ38ErPldOWW4j49GI1HKs9DV+KGq/w6y+LZ72W1c8cKz2vzY+qpzg==",
+          "requires": {
+            "setimmediate": "^1.0.4"
+          }
         },
         "tmp": {
           "version": "0.0.33",
@@ -6044,16 +11029,65 @@
             "os-tmpdir": "~1.0.2"
           }
         },
+        "to-arraybuffer": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
+          "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M="
+        },
         "to-buffer": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
-          "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
+          "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==",
+          "optional": true
         },
         "to-fast-properties": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
           "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc="
         },
+        "to-object-path": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
+          "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
+          "requires": {
+            "kind-of": "^3.0.2"
+          },
+          "dependencies": {
+            "kind-of": {
+              "version": "3.2.2",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+              "requires": {
+                "is-buffer": "^1.1.5"
+              }
+            }
+          }
+        },
+        "to-regex": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/to-regex/-/to-regex-3.0.2.tgz",
+          "integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
+          "requires": {
+            "define-property": "^2.0.2",
+            "extend-shallow": "^3.0.2",
+            "regex-not": "^1.0.2",
+            "safe-regex": "^1.1.0"
+          }
+        },
+        "to-regex-range": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
+          "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
+          "requires": {
+            "is-number": "^3.0.0",
+            "repeat-string": "^1.6.1"
+          }
+        },
+        "toposort": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/toposort/-/toposort-2.0.2.tgz",
+          "integrity": "sha1-riF2gXXRVZ1IvvNUILL0li8JwzA="
+        },
         "tough-cookie": {
           "version": "2.4.3",
           "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
@@ -6080,6 +11114,16 @@
           "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
           "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM="
         },
+        "tslib": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
+          "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
+        },
+        "tty-browserify": {
+          "version": "0.0.0",
+          "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
+          "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY="
+        },
         "tunnel-agent": {
           "version": "0.6.0",
           "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -6093,10 +11137,19 @@
           "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
           "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
         },
+        "type-check": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+          "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+          "requires": {
+            "prelude-ls": "~1.1.2"
+          }
+        },
         "type-is": {
           "version": "1.6.16",
           "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
           "integrity": "sha512-HRkVv/5qY2G6I8iab9cI7v1bOIdhm94dVjQCPFElW9W+3GeDOSHmy2EBYe4VTApuzolPcmgFTN3ftVJRKR2J9Q==",
+          "optional": true,
           "requires": {
             "media-typer": "0.3.0",
             "mime-types": "~2.1.18"
@@ -6133,10 +11186,42 @@
           "resolved": "https://registry.npmjs.org/typewiselite/-/typewiselite-1.0.0.tgz",
           "integrity": "sha1-yIgvobsQksBgBal/NO9chQjjZk4="
         },
+        "uglify-es": {
+          "version": "3.3.9",
+          "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.3.9.tgz",
+          "integrity": "sha512-r+MU0rfv4L/0eeW3xZrd16t4NZfK8Ld4SWVglYBb7ez5uXFWHuVRs6xCTrf1yirs9a4j4Y27nn7SRfO6v67XsQ==",
+          "requires": {
+            "commander": "~2.13.0",
+            "source-map": "~0.6.1"
+          },
+          "dependencies": {
+            "commander": {
+              "version": "2.13.0",
+              "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
+              "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA=="
+            }
+          }
+        },
+        "uglifyjs-webpack-plugin": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.3.0.tgz",
+          "integrity": "sha512-ovHIch0AMlxjD/97j9AYovZxG5wnHOPkL7T1GKochBADp/Zwc44pEWNqpKl1Loupp1WhFg7SlYmHZRUfdAacgw==",
+          "requires": {
+            "cacache": "^10.0.4",
+            "find-cache-dir": "^1.0.0",
+            "schema-utils": "^0.4.5",
+            "serialize-javascript": "^1.4.0",
+            "source-map": "^0.6.1",
+            "uglify-es": "^3.3.4",
+            "webpack-sources": "^1.1.0",
+            "worker-farm": "^1.5.2"
+          }
+        },
         "ultron": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-          "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
+          "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og==",
+          "optional": true
         },
         "unbzip2-stream": {
           "version": "1.3.3",
@@ -6148,20 +11233,116 @@
             "through": "^2.3.8"
           }
         },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        },
-        "unorm": {
-          "version": "1.5.0",
-          "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.5.0.tgz",
-          "integrity": "sha512-sMfSWoiRaXXeDZSXC+YRZ23H4xchQpwxjpw1tmfR+kgbBCaOgln4NI0LXejJIhnBuKINrB3WRn+ZI8IWssirVw=="
-        },
-        "unpipe": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
-          "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
+        "underscore": {
+          "version": "1.8.3",
+          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
+          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=",
+          "optional": true
+        },
+        "union-value": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
+          "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+          "requires": {
+            "arr-union": "^3.1.0",
+            "get-value": "^2.0.6",
+            "is-extendable": "^0.1.1",
+            "set-value": "^0.4.3"
+          },
+          "dependencies": {
+            "extend-shallow": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
+              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
+              "requires": {
+                "is-extendable": "^0.1.0"
+              }
+            },
+            "set-value": {
+              "version": "0.4.3",
+              "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
+              "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
+              "requires": {
+                "extend-shallow": "^2.0.1",
+                "is-extendable": "^0.1.1",
+                "is-plain-object": "^2.0.1",
+                "to-object-path": "^0.3.0"
+              }
+            }
+          }
+        },
+        "unique-filename": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/unique-filename/-/unique-filename-1.1.1.tgz",
+          "integrity": "sha512-Vmp0jIp2ln35UTXuryvjzkjGdRyf9b2lTXuSYUiPmzRcl3FDtYqAwOnTJkAngD9SWhnoJzDbTKwaOrZ+STtxNQ==",
+          "requires": {
+            "unique-slug": "^2.0.0"
+          }
+        },
+        "unique-slug": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/unique-slug/-/unique-slug-2.0.1.tgz",
+          "integrity": "sha512-n9cU6+gITaVu7VGj1Z8feKMmfAjEAQGhwD9fE3zvpRRa0wEIx8ODYkVGfSc94M2OX00tUFV8wH3zYbm1I8mxFg==",
+          "requires": {
+            "imurmurhash": "^0.1.4"
+          }
+        },
+        "unorm": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.5.0.tgz",
+          "integrity": "sha512-sMfSWoiRaXXeDZSXC+YRZ23H4xchQpwxjpw1tmfR+kgbBCaOgln4NI0LXejJIhnBuKINrB3WRn+ZI8IWssirVw=="
+        },
+        "unpipe": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+          "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=",
+          "optional": true
+        },
+        "unset-value": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
+          "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
+          "requires": {
+            "has-value": "^0.3.1",
+            "isobject": "^3.0.0"
+          },
+          "dependencies": {
+            "has-value": {
+              "version": "0.3.1",
+              "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
+              "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
+              "requires": {
+                "get-value": "^2.0.3",
+                "has-values": "^0.1.4",
+                "isobject": "^2.0.0"
+              },
+              "dependencies": {
+                "isobject": {
+                  "version": "2.1.0",
+                  "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
+                  "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
+                  "requires": {
+                    "isarray": "1.0.0"
+                  }
+                }
+              }
+            },
+            "has-values": {
+              "version": "0.1.4",
+              "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
+              "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E="
+            },
+            "isarray": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+              "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+            }
+          }
+        },
+        "upath": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.0.tgz",
+          "integrity": "sha512-bzpH/oBhoS/QI/YtbkqCg6VEiPYjSZtrHQM6/QnJS6OL9pKUFLqb3aFh4Scvwm45+7iAgiMkLhSbaZxUqmrprw=="
         },
         "uri-js": {
           "version": "4.2.2",
@@ -6171,10 +11352,32 @@
             "punycode": "^2.1.0"
           }
         },
+        "urix": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
+          "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI="
+        },
+        "url": {
+          "version": "0.11.0",
+          "resolved": "https://registry.npmjs.org/url/-/url-0.11.0.tgz",
+          "integrity": "sha1-ODjpfPxgUh63PFJajlW/3Z4uKPE=",
+          "requires": {
+            "punycode": "1.3.2",
+            "querystring": "0.2.0"
+          },
+          "dependencies": {
+            "punycode": {
+              "version": "1.3.2",
+              "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
+              "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
+            }
+          }
+        },
         "url-parse-lax": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
           "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
+          "optional": true,
           "requires": {
             "prepend-http": "^1.0.1"
           }
@@ -6182,12 +11385,19 @@
         "url-set-query": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/url-set-query/-/url-set-query-1.0.0.tgz",
-          "integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk="
+          "integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk=",
+          "optional": true
         },
         "url-to-options": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/url-to-options/-/url-to-options-1.0.1.tgz",
-          "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k="
+          "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k=",
+          "optional": true
+        },
+        "use": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+          "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
         },
         "utf8": {
           "version": "3.0.0",
@@ -6195,6 +11405,21 @@
           "integrity": "sha512-E8VjFIQ/TyQgp+TZfS6l8yp/xWppSAHzidGiRrqe4bK4XP9pTRyKFgGJpO3SN7zdX4DeomTrwaseCHovfpFcqQ==",
           "optional": true
         },
+        "util": {
+          "version": "0.10.3",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
+          "requires": {
+            "inherits": "2.0.1"
+          },
+          "dependencies": {
+            "inherits": {
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz",
+              "integrity": "sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE="
+            }
+          }
+        },
         "util-deprecate": {
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -6203,13 +11428,19 @@
         "utils-merge": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
-          "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
+          "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+          "optional": true
         },
         "uuid": {
           "version": "3.3.2",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
           "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
         },
+        "v8-compile-cache": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.0.2.tgz",
+          "integrity": "sha512-1wFuMUIM16MDJRCrpbpuEPTUGmM5QMUg0cr3KFwra2XgOgFcPGDQHDh3CszSCD2Zewc/dh/pamNEW8CbfDebUw=="
+        },
         "validate-npm-package-license": {
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
@@ -6222,7 +11453,8 @@
         "vary": {
           "version": "1.1.2",
           "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
-          "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
+          "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+          "optional": true
         },
         "verror": {
           "version": "1.10.0",
@@ -6234,6 +11466,24 @@
             "extsprintf": "^1.2.0"
           }
         },
+        "vm-browserify": {
+          "version": "0.0.4",
+          "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
+          "integrity": "sha1-XX6kW7755Kb/ZflUOOCofDV9WnM=",
+          "requires": {
+            "indexof": "0.0.1"
+          }
+        },
+        "watchpack": {
+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
+          "integrity": "sha512-i6dHe3EyLjMmDlU1/bGQpEw25XSjkJULPuAVKCbNRefQVq48yXKUpwg538F7AZTf9kyr57zj++pQFltUa5H7yA==",
+          "requires": {
+            "chokidar": "^2.0.2",
+            "graceful-fs": "^4.1.2",
+            "neo-async": "^2.5.0"
+          }
+        },
         "web3": {
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3/-/web3-1.0.0-beta.35.tgz",
@@ -6264,6 +11514,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.0.0-beta.35.tgz",
           "integrity": "sha512-ayGavbgVk4KL9Y88Uv411fBJ0SVgVfKhKEBweKYzmP0zOqneMzWt6YsyD1n6kRvjAbqA0AfUPEOKyMNjcx2tjw==",
+          "optional": true,
           "requires": {
             "web3-core-helpers": "1.0.0-beta.35",
             "web3-core-method": "1.0.0-beta.35",
@@ -6275,6 +11526,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.35.tgz",
           "integrity": "sha512-APOu3sEsamyqWt//8o4yq9KF25/uqGm+pQShson/sC4gKzmfJB07fLo2ond0X30E8fIqAPeVCotPXQxGciGUmA==",
+          "optional": true,
           "requires": {
             "underscore": "1.8.3",
             "web3-eth-iban": "1.0.0-beta.35",
@@ -6285,6 +11537,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.0.0-beta.35.tgz",
           "integrity": "sha512-jidImCide8q0GpfsO4L73qoHrbkeWgwU3uOH5DKtJtv0ccmG086knNMRgryb/o9ZgetDWLmDEsJnHjBSoIwcbA==",
+          "optional": true,
           "requires": {
             "underscore": "1.8.3",
             "web3-core-helpers": "1.0.0-beta.35",
@@ -6297,6 +11550,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.35.tgz",
           "integrity": "sha512-GvqXqKq07OmHuVi5uNRg6k79a1/CI0ViCC+EtNv4CORHtDRmYEt5Bvdv6z6FJEiaaQkD0lKbFwNhLxutx7HItw==",
+          "optional": true,
           "requires": {
             "any-promise": "1.3.0",
             "eventemitter3": "1.1.1"
@@ -6306,6 +11560,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.35.tgz",
           "integrity": "sha512-S+zW2h17ZZQU9oe3yaCJE0E7aJS4C3Kf4kGPDv+nXjW0gKhQQhgVhw1Doq/aYQGqNSWJp7f1VHkz5gQWwg6RRg==",
+          "optional": true,
           "requires": {
             "underscore": "1.8.3",
             "web3-core-helpers": "1.0.0-beta.35",
@@ -6318,6 +11573,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.35.tgz",
           "integrity": "sha512-gXzLrWvcGkGiWq1y33Z4Y80XI8XMrwowiQJkrPSjQ81K5PBKquOGwcMffLaKcwdmEy/NpsOXDeFo3eLE1Ghvvw==",
+          "optional": true,
           "requires": {
             "eventemitter3": "1.1.1",
             "underscore": "1.8.3",
@@ -6348,6 +11604,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.35.tgz",
           "integrity": "sha512-KUDC+EtFFYG8z01ZleKrASdjj327/rtWHzEt6RWsEj7bBa0bGp9nEh+nqdZx/Sdgz1O8tnfFzJlrRcXpfr1vGg==",
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "underscore": "1.8.3",
@@ -6358,7 +11615,8 @@
             "bn.js": {
               "version": "4.11.6",
               "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
+              "optional": true
             }
           }
         },
@@ -6429,6 +11687,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.35.tgz",
           "integrity": "sha512-H5wkcNcAIc+h/WoDIKv7ZYmrM2Xqu3O7jBQl1IWo73EDVQji+AoB2i3J8tuwI1yZRInRwrfpI3Zuwuf54hXHmQ==",
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "web3-utils": "1.0.0-beta.35"
@@ -6437,7 +11696,8 @@
             "bn.js": {
               "version": "4.11.6",
               "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
+              "optional": true
             }
           }
         },
@@ -6445,6 +11705,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.35.tgz",
           "integrity": "sha512-AcM9nnlxu7ZRRxPvkrFB9eLxMM4A2cPfj2aCg21Wb2EpMnhR+b/O1cT33k7ApRowoMpM+T9M8vx2oPNwXfaCOQ==",
+          "optional": true,
           "requires": {
             "web3-core": "1.0.0-beta.35",
             "web3-core-helpers": "1.0.0-beta.35",
@@ -6457,6 +11718,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.35.tgz",
           "integrity": "sha512-bbwaQ/KohGjIJ6HAKbZ6KrklCAaG6/B7hIbAbVLSFLxF+Yz9lmAgQYaDInpidpC/NLb3WOmcbRF+P77J4qMVIA==",
+          "optional": true,
           "requires": {
             "web3-core": "1.0.0-beta.35",
             "web3-core-method": "1.0.0-beta.35",
@@ -6497,6 +11759,16 @@
               "requires": {
                 "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
                 "ethereumjs-util": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereumjs-abi": {
+                  "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
+                  "requires": {
+                    "bn.js": "^4.10.0",
+                    "ethereumjs-util": "^5.0.0"
+                  }
+                }
               }
             },
             "ethereum-common": {
@@ -6508,24 +11780,7 @@
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#d84a96796079c8595a0c78accd1e7709f2277215",
               "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
               "requires": {
-                "bn.js": "^4.11.8",
-                "ethereumjs-util": "^6.0.0"
-              },
-              "dependencies": {
-                "ethereumjs-util": {
-                  "version": "6.1.0",
-                  "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.1.0.tgz",
-                  "integrity": "sha512-URESKMFbDeJxnAxPppnk2fN6Y3BIatn9fwn76Lm8bQlt+s52TpG8dN9M66MLPuRAiAOIqL3dfwqWJf0sd0fL0Q==",
-                  "requires": {
-                    "bn.js": "^4.11.0",
-                    "create-hash": "^1.1.2",
-                    "ethjs-util": "0.1.6",
-                    "keccak": "^1.0.2",
-                    "rlp": "^2.0.0",
-                    "safe-buffer": "^5.1.1",
-                    "secp256k1": "^3.0.1"
-                  }
-                }
+                "bn.js": "^4.11.8"
               }
             },
             "ethereumjs-block": {
@@ -6554,6 +11809,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.0.0-beta.35.tgz",
           "integrity": "sha512-DcIMFq52Fb08UpWyZ3ZlES6NsNqJnco4hBS/Ej6eOcASfuUayPI+GLkYVZsnF3cBYqlH+DOKuArcKSuIxK7jIA==",
+          "optional": true,
           "requires": {
             "web3-core-helpers": "1.0.0-beta.35",
             "xhr2-cookies": "1.1.0"
@@ -6563,6 +11819,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.35.tgz",
           "integrity": "sha512-iB0FG0HcpUnayfa8pn4guqEQ4Y1nrroi/jffdtQgFkrNt0sD3fMSwwC0AbmECqj3tDLl0e1slBR0RENll+ZF0g==",
+          "optional": true,
           "requires": {
             "oboe": "2.1.3",
             "underscore": "1.8.3",
@@ -6573,6 +11830,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.35.tgz",
           "integrity": "sha512-Cx64NgDStynKaUGDIIOfaCd0fZusL8h5avKTkdTjUu2aHhFJhZoVBGVLhoDtUaqZGWIZGcBJOoVf2JkGUOjDRQ==",
+          "optional": true,
           "requires": {
             "underscore": "1.8.3",
             "web3-core-helpers": "1.0.0-beta.35",
@@ -6583,13 +11841,15 @@
               "version": "2.6.9",
               "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
               "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "optional": true,
               "requires": {
                 "ms": "2.0.0"
               }
             },
             "websocket": {
               "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-              "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+              "from": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+              "optional": true,
               "requires": {
                 "debug": "^2.2.0",
                 "nan": "^2.3.3",
@@ -6615,6 +11875,7 @@
           "version": "1.0.0-beta.35",
           "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.35.tgz",
           "integrity": "sha512-Dq6f0SOKj3BDFRgOPnE6ALbzBDCKVIW8mKWVf7tGVhTDHf+wQaWwQSC3aArFSqdExB75BPBPyDpuMTNszhljpA==",
+          "optional": true,
           "requires": {
             "bn.js": "4.11.6",
             "eth-lib": "0.1.27",
@@ -6628,15 +11889,262 @@
             "bn.js": {
               "version": "4.11.6",
               "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
+              "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU=",
+              "optional": true
             },
             "utf8": {
               "version": "2.1.1",
               "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
-              "integrity": "sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g="
+              "integrity": "sha1-LgHbAvfY0JRPdxBPFgnrDDBM92g=",
+              "optional": true
+            }
+          }
+        },
+        "webpack": {
+          "version": "4.17.1",
+          "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.17.1.tgz",
+          "integrity": "sha512-vdPYogljzWPhFKDj3Gcp01Vqgu7K3IQlybc3XIdKSQHelK1C3eIQuysEUR7MxKJmdandZlQB/9BG2Jb1leJHaw==",
+          "requires": {
+            "@webassemblyjs/ast": "1.5.13",
+            "@webassemblyjs/helper-module-context": "1.5.13",
+            "@webassemblyjs/wasm-edit": "1.5.13",
+            "@webassemblyjs/wasm-opt": "1.5.13",
+            "@webassemblyjs/wasm-parser": "1.5.13",
+            "acorn": "^5.6.2",
+            "acorn-dynamic-import": "^3.0.0",
+            "ajv": "^6.1.0",
+            "ajv-keywords": "^3.1.0",
+            "chrome-trace-event": "^1.0.0",
+            "enhanced-resolve": "^4.1.0",
+            "eslint-scope": "^4.0.0",
+            "json-parse-better-errors": "^1.0.2",
+            "loader-runner": "^2.3.0",
+            "loader-utils": "^1.1.0",
+            "memory-fs": "~0.4.1",
+            "micromatch": "^3.1.8",
+            "mkdirp": "~0.5.0",
+            "neo-async": "^2.5.0",
+            "node-libs-browser": "^2.0.0",
+            "schema-utils": "^0.4.4",
+            "tapable": "^1.0.0",
+            "uglifyjs-webpack-plugin": "^1.2.4",
+            "watchpack": "^1.5.0",
+            "webpack-sources": "^1.0.1"
+          },
+          "dependencies": {
+            "acorn": {
+              "version": "5.7.3",
+              "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+              "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw=="
+            }
+          }
+        },
+        "webpack-bundle-size-analyzer": {
+          "version": "2.7.0",
+          "resolved": "https://registry.npmjs.org/webpack-bundle-size-analyzer/-/webpack-bundle-size-analyzer-2.7.0.tgz",
+          "integrity": "sha1-LsBTn9V/hxYIOJizi4kv6UyIxrw=",
+          "requires": {
+            "commander": "^2.7.1",
+            "filesize": "^3.1.2",
+            "humanize": "0.0.9"
+          }
+        },
+        "webpack-cli": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.1.0.tgz",
+          "integrity": "sha512-p5NeKDtYwjZozUWq6kGNs9w+Gtw/CPvyuXjXn2HMdz8Tie+krjEg8oAtonvIyITZdvpF7XG9xDHwscLr2c+ugQ==",
+          "requires": {
+            "chalk": "^2.4.1",
+            "cross-spawn": "^6.0.5",
+            "enhanced-resolve": "^4.0.0",
+            "global-modules-path": "^2.1.0",
+            "import-local": "^1.0.0",
+            "inquirer": "^6.0.0",
+            "interpret": "^1.1.0",
+            "loader-utils": "^1.1.0",
+            "supports-color": "^5.4.0",
+            "v8-compile-cache": "^2.0.0",
+            "yargs": "^12.0.1"
+          },
+          "dependencies": {
+            "ansi-regex": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+              "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+            },
+            "ansi-styles": {
+              "version": "3.2.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+              "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+              "requires": {
+                "color-convert": "^1.9.0"
+              }
+            },
+            "camelcase": {
+              "version": "5.0.0",
+              "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.0.0.tgz",
+              "integrity": "sha512-faqwZqnWxbxn+F1d399ygeamQNy3lPp/H9H6rNrqYh4FSVCtcY+3cub1MxA8o9mDd55mM8Aghuu/kuyYA6VTsA=="
+            },
+            "chalk": {
+              "version": "2.4.2",
+              "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+              "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+              "requires": {
+                "ansi-styles": "^3.2.1",
+                "escape-string-regexp": "^1.0.5",
+                "supports-color": "^5.3.0"
+              }
+            },
+            "cliui": {
+              "version": "4.1.0",
+              "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
+              "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+              "requires": {
+                "string-width": "^2.1.1",
+                "strip-ansi": "^4.0.0",
+                "wrap-ansi": "^2.0.0"
+              }
+            },
+            "find-up": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+              "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+              "requires": {
+                "locate-path": "^3.0.0"
+              }
+            },
+            "invert-kv": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
+              "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA=="
+            },
+            "is-fullwidth-code-point": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+              "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8="
+            },
+            "lcid": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
+              "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
+              "requires": {
+                "invert-kv": "^2.0.0"
+              }
+            },
+            "locate-path": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+              "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+              "requires": {
+                "p-locate": "^3.0.0",
+                "path-exists": "^3.0.0"
+              }
+            },
+            "os-locale": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
+              "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
+              "requires": {
+                "execa": "^1.0.0",
+                "lcid": "^2.0.0",
+                "mem": "^4.0.0"
+              }
+            },
+            "p-limit": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.1.0.tgz",
+              "integrity": "sha512-NhURkNcrVB+8hNfLuysU8enY5xn2KXphsHBaC2YmRNTZRc7RWusw6apSpdEj3jo4CMb6W9nrF6tTnsJsJeyu6g==",
+              "requires": {
+                "p-try": "^2.0.0"
+              }
+            },
+            "p-locate": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+              "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+              "requires": {
+                "p-limit": "^2.0.0"
+              }
+            },
+            "p-try": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.0.0.tgz",
+              "integrity": "sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ=="
+            },
+            "path-exists": {
+              "version": "3.0.0",
+              "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+              "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
+            },
+            "string-width": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+              "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+              "requires": {
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^4.0.0"
+              }
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            },
+            "supports-color": {
+              "version": "5.5.0",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+              "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+              "requires": {
+                "has-flag": "^3.0.0"
+              }
+            },
+            "which-module": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+              "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
+            },
+            "yargs": {
+              "version": "12.0.5",
+              "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+              "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+              "requires": {
+                "cliui": "^4.0.0",
+                "decamelize": "^1.2.0",
+                "find-up": "^3.0.0",
+                "get-caller-file": "^1.0.1",
+                "os-locale": "^3.0.0",
+                "require-directory": "^2.1.1",
+                "require-main-filename": "^1.0.1",
+                "set-blocking": "^2.0.0",
+                "string-width": "^2.0.0",
+                "which-module": "^2.0.0",
+                "y18n": "^3.2.1 || ^4.0.0",
+                "yargs-parser": "^11.1.1"
+              }
+            },
+            "yargs-parser": {
+              "version": "11.1.1",
+              "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+              "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+              "requires": {
+                "camelcase": "^5.0.0",
+                "decamelize": "^1.2.0"
+              }
             }
           }
         },
+        "webpack-sources": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.3.0.tgz",
+          "integrity": "sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==",
+          "requires": {
+            "source-list-map": "^2.0.0",
+            "source-map": "~0.6.1"
+          }
+        },
         "websocket": {
           "version": "1.0.26",
           "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.26.tgz",
@@ -6663,6 +12171,14 @@
           "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
           "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng=="
         },
+        "which": {
+          "version": "1.3.1",
+          "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+          "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        },
         "which-module": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
@@ -6673,6 +12189,19 @@
           "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.2.0.tgz",
           "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU="
         },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
+        },
+        "worker-farm": {
+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.6.0.tgz",
+          "integrity": "sha512-6w+3tHbM87WnSWnENBUvA2pxJPLhQUg5LKwUQHq3r+XPhIM+Gh2R5ycbwPCyuGbNg+lPgdcnQUhuC02kJCvffQ==",
+          "requires": {
+            "errno": "~0.1.7"
+          }
+        },
         "wrap-ansi": {
           "version": "2.1.0",
           "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -6687,10 +12216,19 @@
           "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
           "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
         },
+        "write": {
+          "version": "0.2.1",
+          "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
+          "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
+          "requires": {
+            "mkdirp": "^0.5.1"
+          }
+        },
         "ws": {
           "version": "3.3.3",
           "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
           "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
+          "optional": true,
           "requires": {
             "async-limiter": "~1.0.0",
             "safe-buffer": "~5.1.0",
@@ -6712,6 +12250,7 @@
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/xhr-request/-/xhr-request-1.1.0.tgz",
           "integrity": "sha512-Y7qzEaR3FDtL3fP30k9wO/e+FBnBByZeybKOhASsGP30NIkRAAkKD/sCnLvgEfAIEC1rcmK7YG8f4oEnIrrWzA==",
+          "optional": true,
           "requires": {
             "buffer-to-arraybuffer": "^0.0.5",
             "object-assign": "^4.1.1",
@@ -6726,6 +12265,7 @@
           "version": "0.1.2",
           "resolved": "https://registry.npmjs.org/xhr-request-promise/-/xhr-request-promise-0.1.2.tgz",
           "integrity": "sha1-NDxE0e53JrhkgGloLQ+EDIO0Jh0=",
+          "optional": true,
           "requires": {
             "xhr-request": "^1.0.1"
           }
@@ -6734,10 +12274,16 @@
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/xhr2-cookies/-/xhr2-cookies-1.1.0.tgz",
           "integrity": "sha1-fXdEnQmZGX8VXLc7I99yUF7YnUg=",
+          "optional": true,
           "requires": {
             "cookiejar": "^2.1.1"
           }
         },
+        "xmlhttprequest": {
+          "version": "1.8.0",
+          "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+          "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+        },
         "xtend": {
           "version": "4.0.1",
           "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -6753,6 +12299,11 @@
           "resolved": "https://registry.npmjs.org/yaeti/-/yaeti-0.0.6.tgz",
           "integrity": "sha1-8m9ITXJoTPQr7ft2lwqhYI+/lXc="
         },
+        "yallist": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
+          "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+        },
         "yargs": {
           "version": "4.8.1",
           "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
@@ -6792,6 +12343,19 @@
             "buffer-crc32": "~0.2.3",
             "fd-slicer": "~1.1.0"
           }
+        },
+        "yup": {
+          "version": "0.26.10",
+          "resolved": "https://registry.npmjs.org/yup/-/yup-0.26.10.tgz",
+          "integrity": "sha512-keuNEbNSnsOTOuGCt3UJW69jDE3O4P+UHAakO7vSeFMnjaitcmlbij/a3oNb9g1Y1KvSKH/7O1R2PQ4m4TRylw==",
+          "requires": {
+            "@babel/runtime": "7.0.0",
+            "fn-name": "~2.0.1",
+            "lodash": "^4.17.10",
+            "property-expr": "^1.5.0",
+            "synchronous-promise": "^2.0.5",
+            "toposort": "^2.0.2"
+          }
         }
       }
     },
@@ -7085,6 +12649,12 @@
         "verror": "1.10.0"
       }
     },
+    "just-extend": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/just-extend/-/just-extend-4.0.2.tgz",
+      "integrity": "sha512-FrLwOgm+iXrPV+5zDU6Jqu4gCRXbWEQg2O3SKONsWE4w7AXFRkryS53bpWdaL9cNol+AmR3AEYz6kn+o0fCPnw==",
+      "dev": true
+    },
     "kuler": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/kuler/-/kuler-1.0.1.tgz",
@@ -7134,6 +12704,12 @@
         }
       }
     },
+    "lolex": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lolex/-/lolex-4.0.1.tgz",
+      "integrity": "sha512-UHuOBZ5jjsKuzbB/gRNNW8Vg8f00Emgskdq2kvZxgBJCS0aqquAuXai/SkWORlKeZEiNQWZjFZOqIUcH9LqKCw==",
+      "dev": true
+    },
     "make-error": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.5.tgz",
@@ -7276,6 +12852,42 @@
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
     },
+    "nise": {
+      "version": "1.4.10",
+      "resolved": "https://registry.npmjs.org/nise/-/nise-1.4.10.tgz",
+      "integrity": "sha512-sa0RRbj53dovjc7wombHmVli9ZihXbXCQ2uH3TNm03DyvOSIQbxg+pbqDKrk2oxMK1rtLGVlKxcB9rrc6X5YjA==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/formatio": "^3.1.0",
+        "@sinonjs/text-encoding": "^0.7.1",
+        "just-extend": "^4.0.2",
+        "lolex": "^2.3.2",
+        "path-to-regexp": "^1.7.0"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "0.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+          "dev": true
+        },
+        "lolex": {
+          "version": "2.7.5",
+          "resolved": "https://registry.npmjs.org/lolex/-/lolex-2.7.5.tgz",
+          "integrity": "sha512-l9x0+1offnKKIzYVjyXU2SiwhXDLekRzKyhnbyldPHvC7BvLPVpdNUNR2KeMAiCN2D/kLNttZgQD5WjSxuBx3Q==",
+          "dev": true
+        },
+        "path-to-regexp": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.7.0.tgz",
+          "integrity": "sha1-Wf3g9DW62suhA6hOnTvGTpa5k30=",
+          "dev": true,
+          "requires": {
+            "isarray": "0.0.1"
+          }
+        }
+      }
+    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -8725,6 +14337,44 @@
         "is-arrayish": "^0.3.1"
       }
     },
+    "sinon": {
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-7.3.1.tgz",
+      "integrity": "sha512-eQKMaeWovtOtYe2xThEvaHmmxf870Di+bim10c3ZPrL5bZhLGtu8cz+rOBTFz0CwBV4Q/7dYwZiqZbGVLZ+vjQ==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/commons": "^1.4.0",
+        "@sinonjs/formatio": "^3.2.1",
+        "@sinonjs/samsam": "^3.3.1",
+        "diff": "^3.5.0",
+        "lolex": "^3.1.0",
+        "nise": "^1.4.10",
+        "supports-color": "^5.5.0"
+      },
+      "dependencies": {
+        "lolex": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/lolex/-/lolex-3.1.0.tgz",
+          "integrity": "sha512-zFo5MgCJ0rZ7gQg69S4pqBsLURbFw11X68C18OcJjJQbqaXm2NoTrGl1IMM3TIz0/BnN1tIs2tzmmqvCsOMMjw==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "sinon-chai": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-3.3.0.tgz",
+      "integrity": "sha512-r2JhDY7gbbmh5z3Q62pNbrjxZdOAjpsqW/8yxAZRSqLZqowmfGZPGUZPFf3UX36NLis0cv8VEM5IJh9HgkSOAA==",
+      "dev": true
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
diff --git a/package.json b/package.json
index 93c2c864..d6e07bbb 100644
--- a/package.json
+++ b/package.json
@@ -31,10 +31,11 @@
   },
   "homepage": "https://github.com/PISAresearch/pisa#readme",
   "dependencies": {
+    "@types/sinon": "^7.0.11",
     "ethers": "^4.0.7",
     "express": "^4.16.4",
     "express-http-context": "^1.2.0",
-    "ganache-core": "^2.5.3",
+    "ganache-core": "^2.5.4",
     "request": "^2.88.0",
     "request-promise": "^4.2.2",
     "rwlock": "^5.0.0",
@@ -49,6 +50,7 @@
     "@types/express": "^4.16.0",
     "@types/fs-extra": "^5.0.5",
     "@types/ganache-core": "^2.1.1",
+    "@types/lolex": "^3.1.1",
     "@types/mocha": "^5.2.5",
     "@types/request-promise": "^4.1.42",
     "@types/rwlock": "^5.0.2",
@@ -57,8 +59,11 @@
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
     "fs-extra": "^7.0.1",
+    "lolex": "^4.0.1",
     "mocha": "^5.2.0",
     "nyc": "^13.1.0",
+    "sinon": "^7.3.1",
+    "sinon-chai": "^3.3.0",
     "tree-kill": "^1.2.1",
     "ts-mockito": "^2.3.1",
     "ts-node": "^7.0.1",
diff --git a/src/dataEntities/appointment.ts b/src/dataEntities/appointment.ts
index 8bd1d140..0c0b80ae 100644
--- a/src/dataEntities/appointment.ts
+++ b/src/dataEntities/appointment.ts
@@ -34,7 +34,7 @@ export interface IEthereumAppointment extends IAppointment {
     formatLog(message: string): string;
     getResponseFunctionName(): string;
     getResponseFunctionArgs(): any[];
-    getResponse(): IEthereumResponse;
+    getResponseData(): IEthereumResponseData;
 }
 
 
@@ -95,9 +95,9 @@ export abstract class EthereumAppointment implements IEthereumAppointment {
     abstract getResponseFunctionArgs(): any[];
 
     /**
-     * Returns the IEthereumResponse object for this appointment
+     * Returns the IEthereumResponseData object for this appointment
      */
-    public getResponse(): IEthereumResponse {
+    public getResponseData(): IEthereumResponseData {
         return {
             contractAddress: this.getContractAddress(),
             contractAbi: this.getContractAbi(),
@@ -110,7 +110,7 @@ export abstract class EthereumAppointment implements IEthereumAppointment {
 /**
  * Represents the necessary data for an on-chain response from Pisa on the Ethereum blockchain.
  */
-export interface IEthereumResponse {
+export interface IEthereumResponseData {
     contractAddress: string,
     contractAbi: any,
     functionName: string,
diff --git a/src/dataEntities/index.ts b/src/dataEntities/index.ts
index 8c4b029f..625230a3 100644
--- a/src/dataEntities/index.ts
+++ b/src/dataEntities/index.ts
@@ -1,4 +1,4 @@
-export { IAppointment, IEthereumAppointment, EthereumAppointment, IEthereumResponse } from "./appointment";
+export { IAppointment, IEthereumAppointment, EthereumAppointment, IEthereumResponseData } from "./appointment";
 export { PublicDataValidationError, PublicInspectionError, ConfigurationError, ApplicationError } from "./errors";
 export { ChannelType } from "./channelType";
 export {
diff --git a/src/integrations/kitsune/index.ts b/src/integrations/kitsune/index.ts
index daf867f1..77c3e8f2 100644
--- a/src/integrations/kitsune/index.ts
+++ b/src/integrations/kitsune/index.ts
@@ -8,7 +8,7 @@ import {
     doesPropertyExist,
     isArrayOfStrings,
     PublicDataValidationError,
-    checkAppointment,
+    checkAppointment
 } from "../../dataEntities";
 import { Inspector } from "../../inspector";
 import { PublicInspectionError, ConfigurationError } from "../../dataEntities/errors";
diff --git a/src/responder.ts b/src/responder.ts
index 24754c73..db2f5470 100644
--- a/src/responder.ts
+++ b/src/responder.ts
@@ -1,30 +1,40 @@
 import { EventEmitter } from "events";
 import { ethers } from "ethers";
 import { wait, promiseTimeout, plural } from "./utils";
-import { waitForConfirmations } from "./utils/ethers";
-import { IEthereumAppointment, IEthereumResponse } from "./dataEntities/appointment";
+import { waitForConfirmations, rejectAfterBlocks, BlockThresholdReachedError, rejectIfAnyBlockTimesOut } from "./utils/ethers";
+import { IEthereumAppointment, IEthereumResponseData } from "./dataEntities/appointment";
 import logger from "./logger";
-import { TransactionResponse } from "ethers/providers";
+import { ApplicationError } from "./dataEntities";
 
 /**
  * Responsible for storing the state and managing the flow of a single response.
  */
-// TODO-93: This class and ResponseState are not currently used in any meaningful way.
-//          The plan is to use them for accounting, make sure this is the case.
-export class ResponseFlow {
+// TODO: This class and ResponseState are not currently used in any meaningful way.
+//       The plan is to use them for accounting, make sure this is the case.
+export abstract class ResponseFlow {
     private static nextId: number = 0;
 
     readonly id: number;
     readonly creationTimestamp: number;
 
-    public status = ResponseState.Started;
+    public state = ResponseState.Started;
 
-    constructor() {
+    constructor(readonly appointmentId: string) {
         this.id = ResponseFlow.nextId++;
         this.creationTimestamp = Date.now();
     }
 }
 
+/**
+ * This class stores the state of a response on the Ethereum blockchain.
+ */
+export class EthereumResponseFlow extends ResponseFlow {
+    public txHash: string = null; // if a transaction has been sent, this is its hash
+    constructor(public appointmentId: string, public readonly ethereumResponseData: IEthereumResponseData) {
+        super(appointmentId);
+    }
+}
+
 /**
  * Represents the current state of a Response
  */
@@ -39,7 +49,7 @@ export enum ResponseState {
 /**
  * Represents the possible events emitted by a Responder.
  */
-enum ResponderEvent {
+export enum ResponderEvent {
     ResponseSent = "responseSent",
     ResponseConfirmed = "responseConfirmed",
     AttemptFailed = "attemptFailed",
@@ -51,182 +61,349 @@ enum ResponderEvent {
  * The responder is solely responsible for ensuring that a transaction gets to the blockchain.
  */
 export abstract class Responder extends EventEmitter {
-    public readonly responseFlow: ResponseFlow;
     /**
      * Creates a new Response object, initiating the flow of submitting state to the blockchain.
      */
     constructor() {
         super();
-        this.responseFlow = new ResponseFlow();
     }
 
     // Commodity function to emit events asynchronously
-    protected asyncEmit(...args: any[]) {
-        setImmediate( () => this.emit.call(this, args) );
-    }
-
-    /**
-     * This function tries to submit the transaction that resolves the dispute, protecting the channel.
-     */
-    protected abstract submitStateFunction(): Promise<any>;
-
-    /**
-     * Initiates the response, implementing the strategy of this responder.
-     *
-     * @param responseFlow The ResponseFlow object of this response.
-     */
-    public abstract respond(): Promise<any>;
-}
-
-/**
- * A simple custom Error class to signal that no new block was received while we
- * were waiting for a transaction to be mined. This might likely signal a failure of
- * the provider.
- */
-class NoNewBlockError extends Error {
-    constructor(message: string) {
-        super(message);
-        this.name = "NoNewBlockError";
+    protected asyncEmit(...args: any[]): Promise<boolean> {
+        return new Promise(resolve => resolve(this.emit.apply(this, args)))
     }
 }
 
 /**
  * A generic abstract responder for the Ethereum blockchain.
+ * It has exclusive control of a wallet, that is, no two instances should share the same wallet.
  * It implements the submitStateFunction, but no strategy.
  */
 export abstract class EthereumResponder extends Responder {
     // TODO-93: the correct gas limit should be provided based on the appointment/integration.
     //          200000 is enough for Kitsune and Raiden (see https://github.com/raiden-network/raiden-contracts/blob/master/raiden_contracts/data/gas.json).
     private static GAS_LIMIT = 200000;
-    /**
-     * @param signer The signer of the wallet associated with this responder. Each responder should have exclusive access to his wallet.
-     * @param appointmentId The id of the Appointment this object is responding to.
-     * @param ethereumResponse The IEthereumResponse containing what needs to be submitted.
-     */
-    constructor(
-        readonly signer: ethers.Signer,
-        public readonly appointmentId: string,
-        public readonly ethereumResponse: IEthereumResponse
-    ) {
+
+    // implementations should query the provider (or a service) to figure out the appropriate gas price
+    protected gasPrice = new ethers.utils.BigNumber(21000000000);
+
+    constructor(public readonly signer: ethers.Signer) {
         super();
     }
 
-    protected submitStateFunction(): Promise<TransactionResponse> {
+    /**
+     * Creates the transaction request to be sent to handle the response in `resposeData`.
+     *
+     * @param responseData the response data used to create the transaction
+     * @param nonce The nonce to be used.
+     */
+    protected prepareTransactionRequest(responseData: IEthereumResponseData, nonce: number): ethers.providers.TransactionRequest {
         // form the interface so that we can serialise the args and the function name
-        const abiInterface = new ethers.utils.Interface(this.ethereumResponse.contractAbi);
-        const data = abiInterface.functions[this.ethereumResponse.functionName].encode(this.ethereumResponse.functionArgs);
+        const abiInterface = new ethers.utils.Interface(responseData.contractAbi);
+        const data = abiInterface.functions[responseData.functionName].encode(responseData.functionArgs);
         // now create a transaction, specifying possible oher variables
-        const transactionRequest = {
-            to: this.ethereumResponse.contractAddress,
+        return {
+            to: responseData.contractAddress,
             gasLimit: EthereumResponder.GAS_LIMIT,
-            // nonce: 0,
-            gasPrice: 21000000000, // TODO: choose an appropriate gas price
+            nonce: nonce,
+            gasPrice: this.gasPrice,
             data: data
         };
-
-        // execute the transaction
-        return this.signer.sendTransaction(transactionRequest);
     }
+
+    /**
+    * @param appointmentId The id of the Appointment this object is responding to.
+    * @param response The IEthereumResponse containing what needs to be submitted.
+    */
+    public abstract startResponse(appointmentId: string, responseData: IEthereumResponseData): void;
 }
 
 
 /* CONCRETE RESPONDER IMPLEMENTATIONS */
 
+/**
+ * A gas policy implements the strategy for the choice of the gas price for subsequent attempts at submitting a transaction.
+ */
+export interface IGasPolicy {
+    getInitialPrice(): Promise<ethers.utils.BigNumber>
+    getIncreasedGasPrice(previousPrice: ethers.utils.BigNumber): ethers.utils.BigNumber
+}
+
+
+/**
+ * A simple gas choice strategy that queries the provider for an initial estimate of the gas price, and then it doubles it
+ * at each subsequent attempt.
+ */
+export class DoublingGasPolicy implements IGasPolicy {
+    constructor(private readonly provider: ethers.providers.Provider) { }
+
+    getInitialPrice(): Promise<ethers.utils.BigNumber> {
+        return this.provider.getGasPrice();
+    }
+
+    getIncreasedGasPrice(previousPrice: ethers.utils.BigNumber): ethers.utils.BigNumber {
+        return previousPrice.mul(2);
+    }
+}
+
+/**
+ * A simple custom Error class to signal that the speified number of blocks has been mined.
+ */
+export class StuckTransactionError extends Error {
+   constructor(message: string) {
+       super(message);
+       this.name = "StuckTransactionError";
+   }
+}
+
+
+/**
+ * This class encapsulates the logic of trying to send a transaction and make sure it is mined with enough confirmations.
+ */
+export class EthereumTransactionMiner {
+
+    /**
+     * @param signer The Signer to use to send the transaction.
+     * @param confirmationsRequired The number of confirmations required.
+     * @param blocksThresholdForStuckTransaction The number of new blocks without the transaction is mined before considering
+     *                                           the transaction "stuck".
+     * @param newBlockTimeout The number of milliseconds since after which the provider is considered non-responsive.
+     */
+    constructor(
+        public readonly signer: ethers.Signer,
+        public readonly confirmationsRequired: number,
+        public readonly blocksThresholdForStuckTransaction: number,
+        public readonly newBlockTimeout: number
+    ) {}
+
+    /**
+     * This method sends the transaction, and resolves to the transaction hash.
+     * If an error is thrown, see ethers.js documentation for `JsonRpcSigner.sendTransaction`.
+     * @param transactionRequest The TransactionRequest to be sent.
+     */
+    public async sendTransaction(transactionRequest: ethers.providers.TransactionRequest): Promise<string> {
+        const txResponse = await this.signer.sendTransaction(transactionRequest);
+        return txResponse.hash;
+    }
+
+    /**
+     * Resolves after the transaction receives the first confirmation.
+     * Rejects with `NoNewBlockError` the provider does not receive a new block for `newBlockTimeout` milliseconds.
+     * Rejects with `BlockThresholdReachedError` if the transaction is still unconfirmed
+     * after `blocksThresholdForStuckTransaction` blocks are mined.
+     *
+     * @param txHash The transaction hash, returned by `sendTransaction`.
+     * @param timeLastBlockReceived Optional; if known, the time when the last block was received by the provider.
+     *                              The provider will be considered unresponsive after `newBlockTimeout` from `timeLastBlockReceived`.
+     */
+    public async waitForFirstConfirmation(txHash: string, timeLastBlockReceived: number) {
+        const lastBlockNumberSeen = await this.signer.provider.getBlockNumber();
+
+        // Promise that waits for the first confirmation
+        const firstConfirmationPromise = waitForConfirmations(this.signer.provider, txHash, 1);
+
+        // Promise that rejects after WAIT_BLOCKS_BEFORE_RETRYING blocks are mined
+        const firstConfirmationTimeoutPromise = rejectAfterBlocks(
+            this.signer.provider, lastBlockNumberSeen, this.blocksThresholdForStuckTransaction
+        );
+
+        // ...but stop with error if no new blocks come for too long
+        const noNewBlockPromise = rejectIfAnyBlockTimesOut(
+            this.signer.provider,
+            timeLastBlockReceived,
+            this.newBlockTimeout,
+            1000
+        );
+
+        try {
+            // First, wait to get at least 1 confirmation, but throw an error if the transaction is stuck
+            // (that is, new blocks are coming, but the transaction is not included)
+            await Promise.race([
+                firstConfirmationPromise,
+                firstConfirmationTimeoutPromise,
+                noNewBlockPromise
+            ]);
+        } finally {
+            // Make sure any pending CancellablePromise is released
+            firstConfirmationPromise.cancel();
+            firstConfirmationTimeoutPromise.cancel();
+            noNewBlockPromise.cancel();
+        }
+    }
+
+
+    /**
+     * Resolves after the transaction `txHash` receives `confirmationsRequired`.
+     * Rejects with `NoNewBlockError` the provider does not receive a new block for `newBlockTimeout` milliseconds (starting from `timeLastBlockReceived`).
+     * Rejects with `ReorgError` if the transaction is not found by the provider.
+     */
+    public async waitForEnoughConfirmations(txHash: string, timeLastBlockReceived: number) {
+        // Promise that waits for enough confirmations before declaring success
+        const enoughConfirmationsPromise = waitForConfirmations(this.signer.provider, txHash, this.confirmationsRequired);
+
+        // ...but stop with error if no new blocks come for too long
+        const noNewBlockPromise = rejectIfAnyBlockTimesOut(
+            this.signer.provider,
+            timeLastBlockReceived,
+            this.newBlockTimeout,
+            1000
+        );
+
+        try {
+            // Then, wait to get at enough confirmations; now only throw an error if there is a reorg
+            await Promise.race([
+                enoughConfirmationsPromise,
+                noNewBlockPromise
+            ]);
+        } finally {
+            // Make sure any pending CancellablePromise is released
+            enoughConfirmationsPromise.cancel();
+            noNewBlockPromise.cancel();
+        }
+    }
+}
+
 /**
  * This responder can only handle one response. The wallet used by this responder should not be used for any other purpose
  * until the end of the response flow (that is, until the event `responseConfirmed` is emitted).
  */
 export class EthereumDedicatedResponder extends EthereumResponder {
-    // Waiting time before retrying
-    private static WAIT_TIME_BETWEEN_ATTEMPTS = 1000;
+    // Waiting time before retrying, in milliseconds
+    public static readonly WAIT_TIME_BETWEEN_ATTEMPTS = 1000;
+
+    // Waiting time before considering a request to the provider failed, in milliseconds
+    public static readonly WAIT_TIME_FOR_PROVIDER_RESPONSE = 30*1000;
+
+    // Waiting time before throwing an error if no new blocks are received, in milliseconds
+    public static readonly WAIT_TIME_FOR_NEW_BLOCK = 120*1000;
+
+    // Number of blocks to wait for the first confirmation
+    public static readonly WAIT_BLOCKS_BEFORE_RETRYING = 20;
+
+    private locked = false; // Lock to prevent this responder from accepting multiple requests
 
     // Timestamp in milliseconds when the last block was received (or since the creation of this object)
-    private timeLastBlockReceived: number = Date.now();
-    private mAttemptsDone: number = 0;
+    private timeLastBlockReceived: number;
 
-    get attemptsDone() {
-        return this.mAttemptsDone;
-    }
+    private transactionMiner: EthereumTransactionMiner;
 
     /**
      * @param signer The signer of the wallet associated with this responder. Each responder should have exclusive access to his wallet.
-     * @param appointmentId The id of the Appointment this object is responding to.
-     * @param ethereumResponse The IEthereumResponse containing what needs to be submitted.
-     * @param [confirmationsRequired=40] The number of confirmations required before a transaction is trusted.
-     * @param [maxAttempts=10] The maximum number of retries before the Responder will give up.
+     * @param [confirmationsRequired] The number of confirmations required before a transaction is trusted.
+     * @param [maxAttempts] The maximum number of retries before the Responder will give up.
      */
     constructor(
-        readonly signer: ethers.Signer,
-        public readonly appointmentId: string,
-        public readonly ethereumResponse: IEthereumResponse,
-
-        public readonly confirmationsRequired = 40,
-        private readonly maxAttempts: number = 10
+        signer: ethers.Signer,
+        private readonly gasPolicy: IGasPolicy,
+        public readonly confirmationsRequired: number,
+        private readonly maxAttempts: number,
+        transactionMiner?: EthereumTransactionMiner
     ) {
-        super(signer, appointmentId, ethereumResponse);
-
-        signer.provider.on("block", this.updateLastBlockTime);
+        super(signer);
+
+        this.transactionMiner = transactionMiner || new EthereumTransactionMiner(
+            this.signer,
+            this.confirmationsRequired,
+            EthereumDedicatedResponder.WAIT_BLOCKS_BEFORE_RETRYING,
+            EthereumDedicatedResponder.WAIT_TIME_FOR_NEW_BLOCK
+        );
     }
 
-    /**
-     * Release any resources used by this instance.
-     */
-    private destroy() {
-        this.signer.provider.removeListener("block", this.updateLastBlockTime);
+    // Makes sure that the class is locked while `fn` is running, and that any listener is registered and cleared correctly
+    private async withLock(fn: () => Promise<any>) {
+        if (this.locked) {
+            throw new ApplicationError("This responder can ony handle one response at a time."); // TODO:93: more specific Error type?
+        }
+
+        this.locked = true;
+
+        const listener = this.newBlockReceived.bind(this);
+        this.signer.provider.on("block", listener);
+
+        this.timeLastBlockReceived = Date.now();
+
+        try {
+            await fn();
+        } finally {
+            this.signer.provider.removeListener("block", listener);
+            this.locked = false;
+        }
     }
 
-    private updateLastBlockTime() {
+    private newBlockReceived() {
         this.timeLastBlockReceived = Date.now();
     }
 
-    public async respond() {
-        while (this.mAttemptsDone < this.maxAttempts) {
-            this.mAttemptsDone++;
-            try {
-                // Try to call submitStateFunction, but timeout with an error if
-                // there is no response for 30 seconds.
-                const tx = await promiseTimeout(this.submitStateFunction(), 30000);
-
-                // The response has been sent, but should not be considered confirmed yet.
-                this.responseFlow.status = ResponseState.ResponseSent;
-                this.asyncEmit(ResponderEvent.ResponseSent, this.responseFlow);
-
-                // Wait for enough confirmations before declaring success
-                const confirmationsPromise = waitForConfirmations(this.signer.provider, tx.hash, this.confirmationsRequired);
-                // ...but stop with error if no new blocks come for too long
-                const noNewBlockPromise = new Promise((_, reject) => {
-                    const intervalHandle = setInterval( () => {
-                        // milliseconds since the last block was received (or the responder was instantiated)
-                        const msSinceLastBlock = Date.now() - this.timeLastBlockReceived;
-                        if (msSinceLastBlock > 60*1000) {
-                            clearInterval(intervalHandle)
-                            reject(new NoNewBlockError(`No new block was received for ${Math.round(msSinceLastBlock/1000)} seconds; provider might be down.`));
-                        }
-                    }, 1000);
-                });
-
-                await Promise.race([confirmationsPromise, noNewBlockPromise]);
-
-                // The response has now enough confirmations to be considered safe.
-                this.responseFlow.status = ResponseState.Success;
-                this.asyncEmit(ResponderEvent.ResponseConfirmed, this.responseFlow);
-
-                this.destroy();
-
-                return;
-            } catch (doh) {
-                this.asyncEmit(ResponderEvent.AttemptFailed, this.responseFlow, doh);
+    public async startResponse(appointmentId: string, responseData: IEthereumResponseData) {
+        this.withLock(async () => {
+            const cancellablePromises = []; // Promises to cancel on cleanup to prevent memory leaks
+
+            const responseFlow = new EthereumResponseFlow(appointmentId, responseData);
+
+            const signerAddress = await this.signer.getAddress();
+
+            // Get the current nonce to be used
+            const nonce = await this.signer.provider.getTransactionCount(signerAddress);
+
+            // Get the initial gas price
+            this.gasPrice = await this.gasPolicy.getInitialPrice();
+
+            let attemptsDone = 0;
+            while (attemptsDone < this.maxAttempts) {
+                attemptsDone++;
+                try {
+                    // Try to call submitStateFunction, but timeout with an error if
+                    // there is no response for WAIT_TIME_FOR_PROVIDER_RESPONSE ms.
+                    const txRequest = this.prepareTransactionRequest(responseData, nonce);
+
+                    const txHash = await this.transactionMiner.sendTransaction(txRequest);
+
+                    // Emit the ResponseSent event
+                    responseFlow.state = ResponseState.ResponseSent;
+                    responseFlow.txHash = txHash;
+                    this.asyncEmit(ResponderEvent.ResponseSent, responseFlow, attemptsDone);
+
+                    await this.transactionMiner.waitForFirstConfirmation(txHash, this.timeLastBlockReceived);
+
+                    await this.transactionMiner.waitForEnoughConfirmations(txHash, this.timeLastBlockReceived);
+
+                    // The response has now enough confirmations to be considered safe.
+                    responseFlow.state = ResponseState.Success;
+                    this.asyncEmit(ResponderEvent.ResponseConfirmed, responseFlow, attemptsDone);
+
+                    return;
+                } catch (doh) {
+                    if (doh instanceof BlockThresholdReachedError) {
+                        // Bump the gas price before the next attempt
+                        this.gasPrice = this.gasPolicy.getIncreasedGasPrice(this.gasPrice);
+
+                        this.asyncEmit(
+                            ResponderEvent.AttemptFailed,
+                            responseFlow,
+                            new StuckTransactionError(
+                                `Transaction not mined after ${EthereumDedicatedResponder.WAIT_BLOCKS_BEFORE_RETRYING} blocks.`
+                            )
+                        );
+                    } else {
+                        this.asyncEmit(ResponderEvent.AttemptFailed, responseFlow, doh, attemptsDone);
+                    }
+                } finally {
+                    // Make sure any pending CancellablePromise is released
+                    for (let p of cancellablePromises) {
+                        p.cancel();
+                    }
+                }
 
                 // TODO: does waiting a longer time before retrying help in any way?
                 await wait(EthereumDedicatedResponder.WAIT_TIME_BETWEEN_ATTEMPTS);
             }
-        }
-        this.responseFlow.status = ResponseState.Failed;
-        this.asyncEmit(ResponderEvent.ResponseFailed, this.responseFlow);
-        this.destroy();
+            responseFlow.state = ResponseState.Failed;
+            this.asyncEmit(ResponderEvent.ResponseFailed, responseFlow, attemptsDone);
+        });
     }
 }
 
+
 /**
  * Responsible for handling the business logic of the Responders.
  */
@@ -235,47 +412,47 @@ export class EthereumDedicatedResponder extends EthereumResponder {
 
 export class EthereumResponderManager {
     private responders: Set<EthereumResponder> = new Set();
+    private gasPolicy: IGasPolicy;
 
     constructor(private readonly signer: ethers.Signer) {
-
+        this.gasPolicy = new DoublingGasPolicy(this.signer.provider);
     }
 
     public respond(appointment: IEthereumAppointment) {
-        const ethereumResponse = appointment.getResponse();
+        const ethereumResponseData = appointment.getResponseData();
 
-        const responder = new EthereumDedicatedResponder(this.signer, appointment.id, ethereumResponse, 10);
+        const responder = new EthereumDedicatedResponder(this.signer, this.gasPolicy, 40, 10);
         this.responders.add(responder);
         responder
-            .on(ResponderEvent.ResponseSent, (responseFlow: ResponseFlow) => {
+            .on(ResponderEvent.ResponseSent, (responseFlow: ResponseFlow, attemptNumber) => {
                 logger.info(
-                    `Successfully responded to appointment ${appointment.id} after ${responder.attemptsDone} ${plural(responder.attemptsDone, "attempt")}.
-                     Waiting for enough confirmations.`
+                    `Successfully responded to appointment ${appointment.id} on attempt #${attemptNumber}. Waiting for enough confirmations.`
                 );
 
                 // TODO: Should we store information about past responders anywhere?
                 this.responders.delete(responder);
             })
-            .on(ResponderEvent.ResponseConfirmed, (responseFlow: ResponseFlow) => {
+            .on(ResponderEvent.ResponseConfirmed, (responseFlow: ResponseFlow, attemptNumber: number) => {
                 logger.info(
-                    `Successfully responded to appointment ${appointment.id} after ${responder.attemptsDone} ${plural(responder.attemptsDone, "attempt")}.`
+                    `Successfully responded to appointment ${appointment.id} after ${attemptNumber} ${plural(attemptNumber, "attempt")}.`
                 );
 
                 // Should we keep inactive responders anywhere?
                 this.responders.delete(responder);
             })
-            .on(ResponderEvent.AttemptFailed, (responseFlow: ResponseFlow, doh) => {
+            .on(ResponderEvent.AttemptFailed, (responseFlow: ResponseFlow, doh, attemptNumber) => {
                 logger.error(
-                    `Failed to respond to appointment ${appointment.id}; ${responder.attemptsDone} ${plural(responder.attemptsDone, "attempt")}.`
+                    `Failed to respond to appointment ${appointment.id}; ${attemptNumber} ${plural(attemptNumber, "attempt")}.`
                 );
                 logger.error(doh);
             })
-            .on(ResponderEvent.ResponseFailed, (responseFlow: ResponseFlow) => {
+            .on(ResponderEvent.ResponseFailed, (responseFlow: ResponseFlow, attempts) => {
                 logger.error(
-                    `Failed to respond to ${appointment.id}, after ${responder.attemptsDone} ${plural(responder.attemptsDone, "attempt")}. Giving up.`
+                    `Failed to respond to ${appointment.id}, after ${attempts} ${plural(attempts, "attempt")}. Giving up.`
                 );
 
                 // TODO: this is serious and should be escalated.
             })
-            .respond();
+            .startResponse(appointment.id, ethereumResponseData);
     }
 }
diff --git a/src/utils/ethers.ts b/src/utils/ethers.ts
index 9f555f8b..1c20a65e 100644
--- a/src/utils/ethers.ts
+++ b/src/utils/ethers.ts
@@ -1,6 +1,8 @@
 // Utility functions for ethers.js
 
+import ethers from 'ethers';
 import { Provider, BaseProvider } from "ethers/providers";
+import { CancellablePromise } from '.';
 
 /**
  * A simple custom Error class to provide more details in case of a re-org.
@@ -17,17 +19,23 @@ export class ReorgError extends Error {
  * Throws a `ReorgError` if the corresponding transaction is not found; assuming that it was found when this function
  * is called, this is likely caused by a block re-org.
  *
+ * This promise is similar in to the `tx.wait` function from ethers.js, but the behavior of ethers.js in case of a re-org
+ * is unclear (in particular, what happens if the transaction is mined, but it is kicked out of the blockchain because of
+ * a re-org before reaching the required number of confirmations?).
+ *
  * @param provider
  * @param txHash 
  * @param confirmationsRequired 
  */
-export function waitForConfirmations(provider: Provider, txHash: string, confirmationsRequired: number) : Promise<void> {
-    return new Promise((resolve, reject) => {
-        const cleanup = () => {
-            provider.removeListener("block", newBlockHandler);
-        }
+export function waitForConfirmations(provider: Provider, txHash: string, confirmationsRequired: number): CancellablePromise<void> {
+    let newBlockHandler: () => any;
+
+    const cleanup = () => {
+        provider.removeListener("block", newBlockHandler);
+    }
 
-        const newBlockHandler = async () => {
+    return new CancellablePromise((resolve, reject) => {
+        newBlockHandler = async () => {
             const receipt = await provider.getTransactionReceipt(txHash);
             if (receipt == null) {
                 // There was likely a re-org at this provider.
@@ -39,7 +47,94 @@ export function waitForConfirmations(provider: Provider, txHash: string, confirm
             }
         };
         provider.on("block", newBlockHandler);
-    });
+    }, cleanup);
+}
+
+/**
+ * A simple custom Error class to signal that the speified number of blocks has been mined.
+ */
+export class BlockThresholdReachedError extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = "BlockThresholdReachedError";
+    }
+}
+
+/**
+ * Returns a CancellablePromise that observes the `provider` and rejects as soon as at least `blockCount`
+ * new blocks are mined since `sinceBlock`. 
+ *
+ * @param provider
+ * @param sinceBlock
+ * @param blockCount
+ */
+export function rejectAfterBlocks(provider: ethers.providers.Provider, sinceBlock: number, blockCount: number): CancellablePromise<void> {
+    let newBlockHandler: (blockNumber: number) => any;
+
+    const cleanup = () => {
+        provider.removeListener("block", newBlockHandler);
+    }
+
+    return new CancellablePromise((_, reject) => {
+        newBlockHandler = (blockNumber: number) => {
+            if (blockNumber >= sinceBlock + blockCount) {
+                cleanup();
+                reject(new BlockThresholdReachedError("Block threshold reached"));
+            }
+        };
+
+        provider.on("block", newBlockHandler);
+    }, cleanup);
+}
+
+
+/**
+ * A simple custom Error class to signal that no new block was received while we
+ * were waiting for a transaction to be mined. This might likely signal a failure of
+ * the provider.
+ */
+export class NoNewBlockError extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = "NoNewBlockError";
+    }
+}
+
+
+/**
+ * Returns a CancellablePromise that observes the `provider` and rejects with `NoNewBlockError` if no new block is received for `timeout`
+ * milliseconds starting from `startTime`. The condition is tested every `pollInterval` milliseconds.
+ *
+ */
+export function rejectIfAnyBlockTimesOut(provider: ethers.providers.Provider, startTime: number, timeout: number, pollInterval: number): CancellablePromise<void> {
+    let newBlockHandler: (blockNumber: number) => any;
+    let timeoutHandler: NodeJS.Timeout;
+
+    let timeLastBlockReceived = startTime;
+
+    const cleanup = () => {
+        provider.removeListener("block", newBlockHandler);
+        clearTimeout(timeoutHandler);
+    }
+
+    return new CancellablePromise((_, reject) => {
+        newBlockHandler = () => {
+            timeLastBlockReceived = Date.now();
+        };
+
+        provider.on("block", newBlockHandler);
+
+        function testCondition() {
+            const msSinceLastBlock = Date.now() - timeLastBlockReceived;
+            if (msSinceLastBlock > timeout) {
+                cleanup();
+                reject(new NoNewBlockError(`No new block was received for ${Math.round(msSinceLastBlock/1000)} seconds; provider might be down.`));
+            } else {
+                timeoutHandler = setTimeout(testCondition, pollInterval);
+            }
+        }
+        testCondition();
+    }, cleanup);
 }
 
 
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 2b9efee8..c18c08ba 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -15,11 +15,37 @@ export class TimeoutError extends Error {
     }
 }
 
+
+/**
+ * A promise that can be canceled to release any resource.
+ * Instances of this class should guarantee that all resources will eventually be released if `cancel()` is called,
+ * regardless of wether the Promise is fulfilled or rejected.
+ *
+ * Once `cancel()` is called, the behaviour of the promise is undefined, and the caller
+ * should not expect it to reject or fulfill, nor to be pending forever.
+ */
+export class CancellablePromise<T> extends Promise<T> {
+    constructor(
+        executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void,
+        private canceller: () => void
+    ) {
+        super(executor);
+    }
+
+    /**
+     * If a canceller was provided in the constructor, it calls it. Then it sets `cancelled` to true.
+     */
+    public cancel() {
+        this.canceller();
+    }
+}
+
+
 /**
  * Wraps `promise` in a new promise that rejects with a `TimeoutError` after waiting `milliseconds` if `promise` is still pending.
  *
  * @param promise the original promise
- * @param milliseconds the amount of milliseconds before the returned promise is rejected.
+ * @param milliseconds the amount of milliseconds before the returned promise is rejected
  */
 export function promiseTimeout<T>(promise: Promise<T>, milliseconds: number): Promise<T> {
     return Promise.race([
diff --git a/test/src/endToEnd.test.ts b/test/src/endToEnd.test.ts
index c5202490..108daf41 100644
--- a/test/src/endToEnd.test.ts
+++ b/test/src/endToEnd.test.ts
@@ -1,7 +1,7 @@
 import "mocha";
 import { Watcher } from "../../src/watcher/watcher";
 import { KitsuneInspector, KitsuneAppointment, KitsuneTools } from "../../src/integrations/kitsune";
-import { ethers, Signer } from "ethers";
+import { ethers } from "ethers";
 import Ganache from "ganache-core";
 import { ChannelType } from "../../src/dataEntities";
 
@@ -9,6 +9,7 @@ import { EthereumResponderManager } from "../../src/responder";
 import { MemoryAppointmentStore } from "../../src/watcher/store";
 import { EventObserver } from "../../src/watcher/eventObserver";
 import { AppointmentSubscriber } from "../../src/watcher/appointmentSubscriber";
+import { wait } from "../../src/utils";
 const ganache = Ganache.provider({
     mnemonic: "myth like bonus scare over problem client lizard pioneer submit female collect"
 });
@@ -83,13 +84,3 @@ describe("End to end", () => {
         await wait(2000);
     }).timeout(3000);
 });
-
-const wait = async (timeout: number) => {
-    const testPromise = new Promise(function(resolve, reject) {
-        setTimeout(function() {
-            resolve();
-        }, timeout);
-    });
-
-    return await testPromise;
-};
diff --git a/test/src/responder.test.ts b/test/src/responder.test.ts
new file mode 100644
index 00000000..bfa38645
--- /dev/null
+++ b/test/src/responder.test.ts
@@ -0,0 +1,450 @@
+import * as chai from "chai";
+import sinon from "sinon";
+import "mocha";
+import { ethers } from "ethers";
+import Ganache from "ganache-core";
+import { KitsuneAppointment, KitsuneTools } from "../../src/integrations/kitsune";
+import { EthereumDedicatedResponder, ResponderEvent, StuckTransactionError, DoublingGasPolicy } from "../../src/responder";
+import { ReorgError, NoNewBlockError } from "../../src/utils/ethers";
+import { wait } from "../../src/utils";
+import { ChannelType } from "../../src/dataEntities";
+import chaiAsPromised from "chai-as-promised";
+
+chai.use(chaiAsPromised);
+chai.use(require('sinon-chai'));
+
+const expect = chai.expect;
+
+
+async function initTest(ganacheProviderOptions: any = {}) {
+    const ganache = Ganache.provider(ganacheProviderOptions);
+    const provider = new ethers.providers.Web3Provider(ganache);
+    provider.pollingInterval = 100;
+
+    // Set up the accounts
+    const accounts = await provider.listAccounts();
+    const account0 = accounts[0];
+    const account1 = accounts[1];
+    const responderAccount = accounts[2];
+
+    // set the dispute period
+    const disputePeriod = 11;
+
+    // deploy the contract
+    const channelContractFactory = new ethers.ContractFactory(
+        KitsuneTools.ContractAbi,
+        KitsuneTools.ContractBytecode,
+        provider.getSigner()
+    );
+    const channelContract = await channelContractFactory.deploy([account0, account1], disputePeriod);
+    if (!!ganacheProviderOptions.blockTime) {
+        // If a blockTime is specified, we force mining a block now, as ganache doesn't do it automatically.
+        ganache.sendAsync({"id": 1, "jsonrpc":"2.0", "method":"evm_mine", "params": []}, () => {});
+    }
+
+    // store an off-chain hashState
+    const hashState = ethers.utils.keccak256(ethers.utils.toUtf8Bytes("to the moon"));
+
+    // trigger a dispute
+    const account0Contract = channelContract.connect(provider.getSigner(account0));
+    const tx = await account0Contract.triggerDispute();
+
+    if (!!ganacheProviderOptions.blockTime) {
+        // If a blockTime is specified, we force mining a block now, as ganache doesn't do it automatically.
+        ganache.sendAsync({"id": 1, "jsonrpc":"2.0", "method":"evm_mine", "params": []}, () => {});
+    }
+
+    await tx.wait();
+
+    return { ganache, provider, account0, account1, responderAccount, disputePeriod, channelContract, hashState };
+}
+
+
+// Repeated code for multiple tests
+async function getTestData(provider, account0, account1, responderAccount, hashState, channelContract, disputePeriod) {
+    const signer = provider.getSigner(responderAccount);
+    const round = 1,
+        setStateHash = KitsuneTools.hashForSetState(hashState, round, channelContract.address),
+        sig0 = await provider.getSigner(account0).signMessage(ethers.utils.arrayify(setStateHash)),
+        sig1 = await provider.getSigner(account1).signMessage(ethers.utils.arrayify(setStateHash)),
+        expiryPeriod = disputePeriod + 1;
+    const appointment = new KitsuneAppointment({
+        stateUpdate: {
+            contractAddress: channelContract.address,
+            hashState,
+            round,
+            signatures: [sig0, sig1]
+        },
+        expiryPeriod,
+        type: ChannelType.Kitsune
+    });
+
+    const responseData = appointment.getResponseData();
+
+    return {
+        signer, round, setStateHash, sig0, sig1, expiryPeriod, appointment, responseData
+    };
+}
+
+
+// Commodity functions
+
+//make a copy of the global time-related functions for tests that use sinon fake timers.
+const _setTimeout = global.setTimeout;
+
+// Save a snapshot of the state of the blockchain in ganache; resolves to the id of the snapshot
+function takeGanacheSnapshot(ganache): Promise<string> {
+    return new Promise(async (resolve, reject) => {
+        ganache.sendAsync({"id": 1, "jsonrpc":"2.0", "method":"evm_snapshot", "params": []}, (err, res: any) => {
+            if (err){
+                console.log("WARNING: error while creating ganache snapshot");
+                reject(err);
+            } else {
+                resolve(res.result);
+            }
+        });
+    });
+}
+
+// Restores a previously saved snapshot given the id. Note: the id _cannot_ be reused
+function restoreGanacheSnapshot(ganache, id: string) {
+    return new Promise(async (resolve, reject) => {
+        ganache.sendAsync({"id": 1, "jsonrpc":"2.0", "method":"evm_revert", "params": [id]}, (err, _) => {
+            if (err) {
+                console.log("WARNING: error while restoring ganache snapshot");
+                reject(err);
+            } else {
+                resolve();
+            }
+        });
+    });
+}
+
+// Instructs ganache to mine a block; returns a promise that resolves only
+// when one at least one block has been mined.
+// Resolves to the number of the last block mined.
+function mineBlock(ganache, provider: ethers.providers.Web3Provider): Promise<number> {
+    return new Promise(async (resolve, reject) => {
+        const initialBlockNumber = await provider.getBlockNumber();
+
+        ganache.sendAsync({"id": 1, "jsonrpc":"2.0", "method":"evm_mine", "params": []}, (err, _) => {
+            if (err) reject(err);
+        });
+
+        const testBlockNumber = async function() {
+            const blockNumber = await provider.getBlockNumber();
+            if (blockNumber > initialBlockNumber){
+                resolve(blockNumber);
+            } else {
+                _setTimeout(testBlockNumber, 10);
+            }
+        };
+        _setTimeout(testBlockNumber, 10);
+    });
+}
+
+// Tests `predicate()` every `interval` milliseconds; resolve only when `predicate` is truthy. 
+function waitFor(predicate: () => boolean, interval: number = 50): Promise<void> {
+    return new Promise(resolve => {
+        const test = function() {
+            if (predicate()) {
+                resolve();
+            } else {
+                _setTimeout(test, interval);
+            }
+        };
+        test();
+    });
+}
+
+// Returns a promise that waits for a sinon spy to be called and resolves to the return value of the first call.
+function waitForSpy(spy: any, interval = 20) {
+    return new Promise(resolve => {
+        const testSpy = function() {
+            if (spy.called) {
+                resolve(spy.getCall(0).returnValue);
+            } else {
+                _setTimeout(testSpy, interval);
+            }
+        };
+        testSpy();
+    });
+}
+
+
+describe("EthereumDedicatedResponder", () => {
+    let ganache;
+    let provider: ethers.providers.Web3Provider;
+
+    let account0: string, account1: string, responderAccount: string;
+    let disputePeriod: number, channelContract: ethers.Contract, hashState: string;
+
+    const setup = async (ganacheOptions = {}) => {
+        const d = await initTest(ganacheOptions);
+        ganache = d.ganache;
+        provider = d.provider;
+        account0 = d.account0;
+        account1 = d.account1;
+        responderAccount = d.responderAccount;
+        disputePeriod = d.disputePeriod;
+        channelContract = d.channelContract;
+        hashState = d.hashState;
+
+        this.testData = await getTestData(provider, account0, account1, responderAccount, hashState, channelContract, disputePeriod);
+    }
+
+    beforeEach(async () => {
+        await setup();
+    });
+
+    afterEach(async () => {
+        sinon.restore();
+    });
+
+    it("correctly submits an appointment to the blockchain", async () => {
+        const { signer, appointment, responseData } = this.testData;
+
+        const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), 40, 10);
+        const promise = new Promise((resolve, reject) => {
+            responder.on(ResponderEvent.ResponseSent, resolve);
+            responder.on(ResponderEvent.AttemptFailed, reject)
+        });
+
+        responder.startResponse(appointment.id, responseData);
+
+        await promise; // Make sure the ResponseSent event is generated
+
+        // Make sure that transaction is confirmed
+        await mineBlock(ganache, provider);
+
+        // Test if the channel hashed state has been updated
+        const channelState = await channelContract.hstate();
+        expect(channelState).to.equal(hashState);
+    });
+
+    // TODO: this test is failing because of the timeouts. It seems due to sinon's fake timers not working well with Promises.
+    // it("emits the AttemptFailed and ResponseFailed events the correct number of times on failure", async () => {
+    //     this.clock = sinon.useFakeTimers();
+
+    //     const { signer, appointment, responseData } = this.testData;
+
+    //     const nAttempts = 5;
+    //     const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), 40, nAttempts);
+
+    //     const attemptFailedSpy = sinon.spy();
+    //     const responseFailedSpy = sinon.spy();
+    //     const responseSentSpy = sinon.spy();
+    //     const responseConfirmedSpy = sinon.spy();
+
+    //     // Make sendTransaction return promises that never resolve
+    //     sinon.replace(signer, 'sendTransaction', () => new Promise(() => {}));
+
+    //     responder.on(ResponderEvent.AttemptFailed, attemptFailedSpy);
+    //     responder.on(ResponderEvent.ResponseFailed, responseFailedSpy);
+    //     responder.on(ResponderEvent.ResponseSent, responseSentSpy);
+    //     responder.on(ResponderEvent.ResponseConfirmed, responseConfirmedSpy);
+
+    //     // Start the response flow
+    //     responder.startResponse(appointment.id, responseData);
+
+    //     const tickWaitTime = 1000 + EthereumDedicatedResponder.WAIT_TIME_FOR_PROVIDER_RESPONSE + EthereumDedicatedResponder.WAIT_TIME_BETWEEN_ATTEMPTS;
+
+    //     // The test seems to fail if we make time steps that are too large; instead, we proceed at 1 second ticks
+    //     for (let i = 0; i < nAttempts; i++) {
+    //         this.clock.tick(tickWaitTime);
+    //         await Promise.resolve();
+
+    //         await waitFor(() => attemptFailedSpy.callCount > i);
+    //     }
+
+    //     // Let's make sure there is time after the last iteration
+    //     this.clock.tick(tickWaitTime);
+    //     await Promise.resolve();
+
+    //     expect(attemptFailedSpy.callCount, "emitted AttemptFailed the right number of times").to.equal(nAttempts);
+    //     expect(responseFailedSpy.callCount, "emitted ResponseFailed exactly once").to.equal(1);
+    //     expect(responseSentSpy.called, "did not emit ResponseSent").to.be.false;
+    //     expect(responseConfirmedSpy.called, "did not emit ResponseConfirmed").to.be.false;
+
+    //     this.clock.restore();
+    //     sinon.restore();
+    // });
+
+    it("emits the AttemptFailed with a NoNewBlockError if there is no new block for too long", async () => {
+        this.clock = sinon.useFakeTimers({ shouldAdvanceTime: true });
+
+        const { signer, appointment, responseData } = this.testData;
+
+        const nAttempts = 1;
+        const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), 40, nAttempts);
+
+        const attemptFailedSpy = sinon.spy();
+        const responseFailedSpy = sinon.spy();
+        const responseSentSpy = sinon.spy();
+        const responseConfirmedSpy = sinon.spy();
+
+        responder.on(ResponderEvent.AttemptFailed, attemptFailedSpy);
+        responder.on(ResponderEvent.ResponseSent, responseSentSpy);
+        responder.on(ResponderEvent.ResponseFailed, responseFailedSpy);
+        responder.on(ResponderEvent.ResponseConfirmed, responseConfirmedSpy);
+
+        // Start the response flow
+        responder.startResponse(appointment.id, responseData);
+
+        // Wait for the response to be sent
+        await waitForSpy(responseSentSpy);
+
+        // Wait for 1 second more than the deadline for throwing if no new blocks are seen
+        this.clock.tick(1000 + EthereumDedicatedResponder.WAIT_TIME_FOR_NEW_BLOCK);
+        await Promise.resolve();
+
+        await waitForSpy(attemptFailedSpy);
+
+        // Check if the parameter of the attemptFailed event is an error of type NoNewBlockError
+        const args = attemptFailedSpy.args[0]; //arguments of the first call
+        expect(args[1] instanceof NoNewBlockError, "AttemptFailed emitted with NoNewBlockError").to.be.true;
+
+        this.clock.restore();
+        sinon.restore();
+    });
+
+    // TODO: this test currently passes but node complains with UnhandledPromiseRejectionWarning for Reorg (but exception is caught in the responder!)
+    it("emits the AttemptFailed with a ReorgError if a re-org kicks out the transaction before enough confirmations", async () => {
+        const { signer, appointment, responseData } = this.testData;
+
+        const nAttempts = 1;
+        const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), 40, nAttempts);
+
+        const attemptFailedSpy = sinon.spy();
+        const responseFailedSpy = sinon.spy();
+        const responseSentSpy = sinon.spy();
+        const responseConfirmedSpy = sinon.spy();
+
+        sinon.spy(signer, 'sendTransaction');
+
+        responder.on(ResponderEvent.AttemptFailed, attemptFailedSpy);
+        responder.on(ResponderEvent.ResponseFailed, responseFailedSpy);
+        responder.on(ResponderEvent.ResponseSent, responseSentSpy);
+        responder.on(ResponderEvent.ResponseConfirmed, responseConfirmedSpy);
+
+        const snapshotId = await takeGanacheSnapshot(ganache);
+
+        // Start the response flow
+        responder.startResponse(appointment.id, responseData);
+
+        // Wait for the response to be sent
+        // We assume it will be done using the sendTransaction method on the signer
+        await waitForSpy(signer.sendTransaction);
+
+        await mineBlock(ganache, provider);
+
+        // Simulate a reorg to a state prior to the transaction being mined
+        await restoreGanacheSnapshot(ganache, snapshotId);
+
+        await mineBlock(ganache, provider);
+
+        await waitForSpy(attemptFailedSpy);
+
+        // Check if the parameter of the attemptFailed event is an error of type NoNewBlockError
+        const args = attemptFailedSpy.args[0]; //arguments of the first call
+        expect(args[1] instanceof ReorgError, "AttemptFailed emitted with ReorgError").to.be.true;
+
+        sinon.restore();
+    });
+
+    it("emits StuckTransactionError if WAIT_BLOCKS_BEFORE_RETRYING blocks are mined and the transaction is not included", async () => {
+        // setup ganache so that blocks are created manually
+        await setup({ blockTime: 10000 });
+
+        const { signer, appointment, responseData } = this.testData;
+
+        const nAttempts = 1;
+        const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), 40, nAttempts);
+
+        const attemptFailedSpy = sinon.spy();
+        const responseFailedSpy = sinon.spy();
+        const responseSentSpy = sinon.spy();
+        const responseConfirmedSpy = sinon.spy();
+
+        sinon.spy(signer, 'sendTransaction');
+
+        responder.on(ResponderEvent.AttemptFailed, attemptFailedSpy);
+        responder.on(ResponderEvent.ResponseFailed, responseFailedSpy);
+        responder.on(ResponderEvent.ResponseSent, responseSentSpy);
+        responder.on(ResponderEvent.ResponseConfirmed, responseConfirmedSpy);
+
+
+        // Start the response flow
+        responder.startResponse(appointment.id, responseData);
+
+        // Wait for the response to be sent and save the transaction
+        const tx = await waitForSpy(signer.sendTransaction);
+
+        const fakeTx = sinon.fake.returns(tx);
+
+        // From now on, make attempts to sendTransaction and getTransactionReceipt return tx, so it looks like the transaction is not confirmed
+        // TODO: it would be cleaner to prevent Ganache from mining the transaction.
+        sinon.replace(signer, 'sendTransaction', fakeTx);
+        sinon.replace(provider, 'getTransactionReceipt', sinon.fake.returns(tx));
+
+        // Mine more than WAIT_BLOCKS_BEFORE_RETRYING blocks
+        for (let i = 0; i < 1 + EthereumDedicatedResponder.WAIT_BLOCKS_BEFORE_RETRYING; i++) {
+            await mineBlock(ganache, provider);
+        }
+
+        await waitForSpy(attemptFailedSpy);
+
+        const args = attemptFailedSpy.args[0]; //arguments of the first call
+        expect(args[1] instanceof StuckTransactionError, "AttemptFailed emitted with StuckTransactionError").to.be.true;
+
+        sinon.restore();
+    });
+
+    // TODO: this test occasionally fails with timeout
+    it("emits the ResponseSent event, followed by ResponseConfirmed after enough confirmations", async () => {
+        const { signer, appointment, responseData } = this.testData;
+
+        const nAttempts = 5;
+        const nConfirmations = 5;
+        const responder = new EthereumDedicatedResponder(signer, new DoublingGasPolicy(provider), nConfirmations, nAttempts);
+
+        const attemptFailedSpy = sinon.spy();
+        const responseFailedSpy = sinon.spy();
+        const responseSentSpy = sinon.spy();
+        const responseConfirmedSpy = sinon.spy();
+
+        responder.on(ResponderEvent.AttemptFailed, attemptFailedSpy);
+        responder.on(ResponderEvent.ResponseFailed, responseFailedSpy);
+        responder.on(ResponderEvent.ResponseSent, responseSentSpy);
+        responder.on(ResponderEvent.ResponseConfirmed, responseConfirmedSpy);
+
+        sinon.spy(signer, 'sendTransaction');
+
+        // Start the response flow
+        responder.startResponse(appointment.id, responseData);
+
+        // Wait for the response to be sent
+        await waitForSpy(responseSentSpy);
+
+        expect(responseSentSpy.called, "emitted ResponseSent").to.be.true;
+        expect(responseConfirmedSpy.called, "did not emit ResponseConfirmed prematurely").to.be.false;
+
+        // Now wait for enough confirmations
+        for (let i = 0; i < nConfirmations; i++) {
+            await mineBlock(ganache, provider);
+            await wait(20);
+        }
+
+        // There might still be a short interval before the response is sent; we wait for the spy before continuing.
+        await waitForSpy(responseConfirmedSpy);
+
+        // Now the response is confirmed
+        expect(responseConfirmedSpy.called, "emitted ResponseConfirmed").to.be.true;
+
+        // No failed event should have been generated
+        expect(attemptFailedSpy.called, "did not emit AttemptFailed").to.be.false;
+        expect(responseFailedSpy.called, "did not emit ResponseFailed").to.be.false;
+
+        sinon.restore();
+    }).timeout(5000);
+});
diff --git a/test/src/utils/ethers.test.ts b/test/src/utils/ethers.test.ts
index bb6a05d0..a0125d56 100644
--- a/test/src/utils/ethers.test.ts
+++ b/test/src/utils/ethers.test.ts
@@ -1,41 +1,53 @@
 import "mocha";
+import { expect, assert } from "chai";
+import lolex from "lolex";
+
 import { ethers } from "ethers";
-import { withDelay } from "../../../src/utils/ethers";
+import { withDelay, rejectIfAnyBlockTimesOut, rejectAfterBlocks } from "../../../src/utils/ethers";
 import Ganache from "ganache-core";
-import { expect, assert } from "chai";
 import { wait } from "../../../src/utils";
 import { KitsuneTools, KitsuneAppointment } from "../../../src/integrations/kitsune";
 import { ChannelType } from "../../../src/dataEntities";
 
- describe("withDelay", () => {
+
+const sendTo = async (provider: ethers.providers.Web3Provider, to: string, value: number) => {
+    const tx = await provider.getSigner(0).sendTransaction({ to, value });
+    await tx.wait();
+};
+
+const mineBlock = async (provider: ethers.providers.Web3Provider) => {
+    await sendTo(provider, "0x0000000000000000000000000000000000000000", 1);
+};
+
+describe("withDelay", () => {
     it("correctly delays getblock", async () => {
         const ganache = Ganache.provider({});
         const provider = new ethers.providers.Web3Provider(ganache);
         provider.pollingInterval = 20;
 
-         // new blockchain
+        // new blockchain
         let expectedBlock = 0;
         expect(await provider.getBlockNumber()).to.equal(expectedBlock);
 
-         // mine 3 blocks
+        // mine 3 blocks
         await mineBlock(provider);
         await mineBlock(provider);
         await mineBlock(provider);
         expectedBlock += 3;
 
-         expect(await provider.getBlockNumber()).to.equal(expectedBlock);
+        expect(await provider.getBlockNumber()).to.equal(expectedBlock);
 
-         // set a delay of 2
+        // set a delay of 2
         withDelay(provider, 2);
         expectedBlock -= 2;
 
-         expect(await provider.getBlockNumber()).to.equal(expectedBlock);
+        expect(await provider.getBlockNumber()).to.equal(expectedBlock);
     });
 
-     it("only emits event after delay", async () => {
+    it("only emits event after delay", async () => {
         const ganache = Ganache.provider({});
 
-         const provider = new ethers.providers.Web3Provider(ganache);
+        const provider = new ethers.providers.Web3Provider(ganache);
         provider.pollingInterval = 20;
         await mineBlock(provider);
         await mineBlock(provider);
@@ -59,7 +71,7 @@ import { ChannelType } from "../../../src/dataEntities";
         const sig0 = await provider.getSigner(player0).signMessage(ethers.utils.arrayify(setStateHash));
         const sig1 = await provider.getSigner(player1).signMessage(ethers.utils.arrayify(setStateHash));
 
-         // watch for a dispute
+        // watch for a dispute
         const appointment = new KitsuneAppointment({
             stateUpdate: {
                 contractAddress: channelContract.address,
@@ -71,30 +83,191 @@ import { ChannelType } from "../../../src/dataEntities";
             type: ChannelType.Kitsune
         });
 
-         // add the listener
+        // add the listener
         const filter = appointment.getEventFilter();
         let error = true;
         provider.once(filter, () => {
             assert.isFalse(error, "Listener fired before error was set to true.");
         });
 
-         const player0Contract = channelContract.connect(provider.getSigner(player0));
+        const player0Contract = channelContract.connect(provider.getSigner(player0));
         const tx = await player0Contract.triggerDispute();
         await tx.wait();
 
-         await mineBlock(provider);
+        await mineBlock(provider);
         // wait longer than the polling interval, then set error to false and mine
         await wait(40);
         error = false;
         await mineBlock(provider);
     });
+});
 
-     const sendTo = async (provider: ethers.providers.Web3Provider, to: string, value: number) => {
-        const tx = await provider.getSigner(0).sendTransaction({ to, value });
-        await tx.wait();
-    };
 
-     const mineBlock = async (provider: ethers.providers.Web3Provider) => {
-        await sendTo(provider, "0x0000000000000000000000000000000000000000", 1);
-    };
+
+describe("rejectIfAnyBlockTimesOut", async () => {
+    beforeEach(() => {
+        this.clock = lolex.install({ shouldAdvanceTime: true});
+        this.ganache = Ganache.provider({});
+        this.provider = new ethers.providers.Web3Provider(this.ganache);
+        this.provider.pollingInterval = 20;
+    });
+
+    afterEach(() => {
+        this.clock.uninstall();
+    });
+
+    it("does not reject before the timeout", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectIfAnyBlockTimesOut(this.provider, Date.now(), 10000, 20)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        this.clock.tick(9999);
+        await Promise.resolve();
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew, "did not throw before the timeout").to.be.false;
+    });
+
+    it("rejects after the timeout if no blocks are mined", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectIfAnyBlockTimesOut(this.provider, Date.now(), 10000, 20)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        this.clock.tick(10000 + 20 + 1); // Add a delay for the polling interval
+
+        await Promise.resolve();
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.true;
+    });
+
+    it("does not reject if multiple blocks are mined before the timeout", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectIfAnyBlockTimesOut(this.provider, Date.now(), 10000, 20)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        // Fake timers seem to break block creation, so we fake a "new block" event every 9000 ms
+        let blockNumber = await this.provider.getBlockNumber();
+        const intervalHandle = this.clock.setInterval(async () => {
+            blockNumber++;
+            this.provider.emit("block", blockNumber);
+        }, 9000);
+
+        // Wait 10 times the timeout period, in 100 ms steps
+        for (let i = 0; i < 10 * 10000 / 100; i++) {
+            this.clock.tick(100);
+            await Promise.resolve();
+        }
+
+        this.clock.clearInterval(intervalHandle);
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.false;
+    });
+
+    it("rejects after a timeout after a block is mined", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectIfAnyBlockTimesOut(this.provider, Date.now(), 10000, 20)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        this.clock.tick(10000 + 20 + 1); // Add a delay for the polling interval
+
+        await Promise.resolve();
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.true;
+    });
+
+
+    it("rejects after a timeout after a few blocks are mined", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectIfAnyBlockTimesOut(this.provider, Date.now(), 10000, 20)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        // Fake timers seem to break block creation, so we fake a "new block" event every 9000 ms
+        let blockNumber = await this.provider.getBlockNumber();
+        const intervalHandle = this.clock.setInterval(async () => {
+            blockNumber++;
+            this.provider.emit("block", blockNumber);
+        }, 9000);
+
+        // Wait 10 times the timeout period, in 100 ms steps
+        for (let i = 0; i < 10 * 10000 / 100; i++) {
+            this.clock.tick(100);
+            await Promise.resolve();
+        }
+
+        this.clock.clearInterval(intervalHandle);
+
+        // Now wait longer than the timeout
+        this.clock.tick(11000);
+        await Promise.resolve();
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.true;
+    });
+});
+
+
+describe("rejectAfterBlocks", async () => {
+    let ganache, provider: ethers.providers.Web3Provider;
+    let initialBlockNumber: number;
+    const nBlocks = 3;
+
+    beforeEach( async () => {
+        ganache = Ganache.provider({});
+        provider = new ethers.providers.Web3Provider(ganache);
+        provider.pollingInterval = 20;
+        initialBlockNumber = await provider.getBlockNumber();
+    });
+
+    it("does not reject when less than nBlocks blocks are mined", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        const p = rejectAfterBlocks(provider, initialBlockNumber, nBlocks)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        // Mine less than nBlocks blocks
+        for (let i = 0; i < nBlocks - 1; i++) {
+            await mineBlock(provider);
+            await wait(30); // wait longer than the polling period
+        }
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.false;
+    });
+
+    it("rejects if nBlocks blocks are mined", async () => {
+        let promiseResolved = false;
+        let promiseThrew = false;
+
+        // Mine nBlocks blocks
+        const p = rejectAfterBlocks(provider, initialBlockNumber, nBlocks)
+            .then(() => { promiseResolved = true; })
+            .catch(() => { promiseThrew = true; });
+
+        for (let i = 0; i < nBlocks; i++) {
+            await mineBlock(provider);
+            await wait(30); // wait longer than the polling period
+        }
+
+        expect(promiseResolved, "did not resolve").to.be.false;
+        expect(promiseThrew).to.be.true;
+    });
 });
\ No newline at end of file