diff --git a/package-lock.json b/package-lock.json
index 61ab376a..cdf2b445 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,33 +5,35 @@
   "requires": true,
   "dependencies": {
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-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/cli/-/cli-7.1.1.tgz",
-      "integrity": "sha512-kBqJzvzL5V2KouD19dnzNON6RNP2sMQyfESLlKUaSnecfHgaCxFHvoqv0f1s8U1jsvQVLtwO1QySfc/0vaDpLw==",
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@commitlint/cli/-/cli-7.2.1.tgz",
+      "integrity": "sha512-PUHWGoQOx8m6ZSpZPSHb+YISFAvW7jiWvCJOQiViKHZC8CLKu4bjyc/AwP8gBte0RsTGAu1ekiitp5Q0NcLGcA==",
       "dev": true,
       "requires": {
-        "@commitlint/format": "^7.1.1",
-        "@commitlint/lint": "^7.1.1",
-        "@commitlint/load": "^7.1.1",
-        "@commitlint/read": "^7.1.1",
+        "@commitlint/format": "^7.2.1",
+        "@commitlint/lint": "^7.2.1",
+        "@commitlint/load": "^7.2.1",
+        "@commitlint/read": "^7.1.2",
         "babel-polyfill": "6.26.0",
         "chalk": "2.3.1",
         "get-stdin": "5.0.1",
         "lodash.merge": "4.6.1",
         "lodash.pick": "4.4.0",
-        "meow": "^5.0.0"
+        "meow": "5.0.0",
+        "resolve-from": "^4.0.0",
+        "resolve-global": "^0.1.0"
       }
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     "@commitlint/config-conventional": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/config-conventional/-/config-conventional-7.1.1.tgz",
-      "integrity": "sha512-fC0zOmYTGNNjhg/g39q0h07W1FuVgG8szGVbjZCCWJ/m/MWggwiel5loNjg+Pk+G9TqxHbtaQ86R1/W/bypwVw==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/config-conventional/-/config-conventional-7.1.2.tgz",
+      "integrity": "sha512-DmA4ixkpv03qA1TVs1Bl25QsVym2bPL6pKapesALWIVggG3OpwqGZ55vN75Tx8xZoG7LFKrVyrt7kwhA7X8njQ==",
       "dev": true
     },
     "@commitlint/ensure": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/ensure/-/ensure-7.1.1.tgz",
-      "integrity": "sha512-mAlR4PpLl4QwCnLop2i7JJVqS86gPAwK9bEgWc8S25HvH7B8nZdwG12ofT9QDYH3PQr5/kgzcEzMRyWj3wHXZA==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/ensure/-/ensure-7.2.0.tgz",
+      "integrity": "sha512-j2AJE4eDeLP6O/Z1CdPwEXAzcrRRoeeHLuvW8bldQ4J2nHiX9hzmSe87H87Ob8Avm+zIegsqVPGaBAtRmbODYw==",
       "dev": true,
       "requires": {
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@@ -42,18 +44,18 @@
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-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/execute-rule/-/execute-rule-7.1.1.tgz",
-      "integrity": "sha512-qDRETQIunVvViLFh9SyV7J/C4MBLh63neFh+Z4HOP3QRMVwRil/zd6kWsQ/el98IwN/OXJuciBo4vsR5AtivBg==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/execute-rule/-/execute-rule-7.1.2.tgz",
+      "integrity": "sha512-EP/SqX2U2L4AQHglZ2vGM1pvHJOh3sbYtHn1QhtllqEpsdmhuNpVPSGHP/r9OD2h4i90vtnWgZQoskt2MkbknA==",
       "dev": true,
       "requires": {
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     },
     "@commitlint/format": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/format/-/format-7.1.1.tgz",
-      "integrity": "sha512-0m6OjlTGlwaRcOEkNlGffyVXkXcIMZa6A+oovZOQJPupanYrBUwIrp/omaMchGYq9NSwMyh6rm4QRWH//iLuNQ==",
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@commitlint/format/-/format-7.2.1.tgz",
+      "integrity": "sha512-1YcL+ZWB8V52oDFQBhSBJjiJOZDt4Vl06O5TkG70BMpre3EQru5KYIN16eEPqfihNw0bj8gSIWcf87Gvh3OrOw==",
       "dev": true,
       "requires": {
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@@ -61,35 +63,43 @@
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-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/is-ignored/-/is-ignored-7.1.1.tgz",
-      "integrity": "sha512-G3QaTQcWcQAVuEJfA9Wxl6VRwAfTB2JL+4dntqcutVv3LnO/pqJTYtZRj4tAhO3lBY+qUw+wCuOsLCDlgs5ahA==",
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@commitlint/is-ignored/-/is-ignored-7.2.1.tgz",
+      "integrity": "sha512-3DsEEKRnj8Bv9qImsxWcGf9BwerDnk5Vs+oK6ELzIwkndHaAZLHyATjmaz/rsc+U+DWiVjgKrrw3xvd/UsoazA==",
       "dev": true,
       "requires": {
-        "semver": "5.5.0"
+        "semver": "5.6.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.6.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
+          "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg==",
+          "dev": true
+        }
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     "@commitlint/lint": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/lint/-/lint-7.1.1.tgz",
-      "integrity": "sha512-lF9SjgvsVWKxJUq9TRROVyHVhPCB92WEAEa1P6YtQQamVgdio2AxPg2fpJhcyarSAg0T4dgC56+9gkNEJXpIcg==",
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@commitlint/lint/-/lint-7.2.1.tgz",
+      "integrity": "sha512-rM7nUyNUJyuKw1MTwJG/wk4twB5YCAG2wzJMn5NqVpGD/qmLOzlZoBl0+CYmuOsbIRAA2rlEV6KZHBk9tTfAdQ==",
       "dev": true,
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-        "@commitlint/is-ignored": "^7.1.1",
-        "@commitlint/parse": "^7.1.1",
-        "@commitlint/rules": "^7.1.1",
+        "@commitlint/is-ignored": "^7.2.1",
+        "@commitlint/parse": "^7.1.2",
+        "@commitlint/rules": "^7.2.0",
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     "@commitlint/load": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/load/-/load-7.1.1.tgz",
-      "integrity": "sha512-yM+gtnbcEJJ3EyzIwlsG4mrvt39PtuNVHRB+zf0ulFI3ulzWtp7t8Wwc36iYjKEMafNnri05xrgCE49a1uznHw==",
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@commitlint/load/-/load-7.2.1.tgz",
+      "integrity": "sha512-FnfmfhPGJqGwILVRznduBejOicNey6p/byfcyxtcBkN2+X96gDuNtqcnGcngCrzPIAgaIrQQcTQDA1/KMtW21A==",
       "dev": true,
       "requires": {
-        "@commitlint/execute-rule": "^7.1.1",
-        "@commitlint/resolve-extends": "^7.1.1",
+        "@commitlint/execute-rule": "^7.1.2",
+        "@commitlint/resolve-extends": "^7.1.2",
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@@ -100,15 +110,15 @@
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-      "resolved": "https://registry.npmjs.org/@commitlint/message/-/message-7.1.1.tgz",
-      "integrity": "sha512-lvDCTEgIhjOuJUM+6kKqwV40VJoiQHlKtm64XANaZ2sccKhvlQV8BnSDWRzpFC5MTtRVqhkhfbnoA1Q9sWvQvw==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/message/-/message-7.1.2.tgz",
+      "integrity": "sha512-6FQeK5LAs1Bde6W/jULg+I/XZhj3gbqCWlS2Q11A2JbaTRpRJZzm7WdD9nK3I0+De41EOqW2t4mBnrpio3o1Zg==",
       "dev": true
     },
     "@commitlint/parse": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/parse/-/parse-7.1.1.tgz",
-      "integrity": "sha512-KD9TiguNjaQ+360XFFgRUPJy0FvAgP5FBgOXBdiqKAk/PttKTpX5Y+aXjHzZwEkJjOmDvyE+eLUg8+wBpqmmEQ==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/parse/-/parse-7.1.2.tgz",
+      "integrity": "sha512-wrdLwJZL3cs89MfgPtnbbKByijUo3Wrug55aTke5k/F0XNxGaDaNJyH4QXgidgXk57r2t4NJVAKwjnY4wjfNwg==",
       "dev": true,
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@@ -116,21 +126,21 @@
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-      "resolved": "https://registry.npmjs.org/@commitlint/read/-/read-7.1.1.tgz",
-      "integrity": "sha512-/WMVvKjlEviIskKZ8O17nclKq1/tkUwt4nposODxaPaDQJP7tQw6BUd8D6rKCUyd50GKb9KYzeWBN+u/eqda8A==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/read/-/read-7.1.2.tgz",
+      "integrity": "sha512-sarYQgfTay2Eu7onHz53EYyRw7pI5QmLE7tP5Ri9op6eu4LadjSoA/4dfc+VE7avsq21J2ewSbz+9f0uvhDxgg==",
       "dev": true,
       "requires": {
-        "@commitlint/top-level": "^7.1.1",
+        "@commitlint/top-level": "^7.1.2",
         "@marionebl/sander": "^0.6.0",
         "babel-runtime": "^6.23.0",
         "git-raw-commits": "^1.3.0"
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     },
     "@commitlint/resolve-extends": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/resolve-extends/-/resolve-extends-7.1.1.tgz",
-      "integrity": "sha512-1T17X4bsg1dILSRDgRktIw7SUkAumEPPUzsI1h98PVgZZRXTUcP+32cWv68zzwy99MGO0ViKnr+svzXzPiok9g==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/resolve-extends/-/resolve-extends-7.1.2.tgz",
+      "integrity": "sha512-zwbifMB9DeHP4sYQdrkx+XJh5Q1lyP/OdlErUCC34NV4Lkxw/XxXF4St3e+y1X28/SgrEc2XSOS6n/vQQfUlLA==",
       "dev": true,
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@@ -142,27 +152,27 @@
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-      "resolved": "https://registry.npmjs.org/@commitlint/rules/-/rules-7.1.1.tgz",
-      "integrity": "sha512-5pYHz6Jw/H8fWbNU1mYXli3MEcWIZLAhFwua9stPVBhe/15Z661rwOsKH30okV0AYaEy2k/UoCSgg4TRkHJWkg==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@commitlint/rules/-/rules-7.2.0.tgz",
+      "integrity": "sha512-c15Q9H5iYE9fnncLnFnMuvPLYA/i0pve5moV0uxJJGr4GgJoBKyldd4CCDhoE80C1k8ABuqr2o2qsopzVEp3Ww==",
       "dev": true,
       "requires": {
-        "@commitlint/ensure": "^7.1.1",
-        "@commitlint/message": "^7.1.1",
-        "@commitlint/to-lines": "^7.1.1",
+        "@commitlint/ensure": "^7.2.0",
+        "@commitlint/message": "^7.1.2",
+        "@commitlint/to-lines": "^7.1.2",
         "babel-runtime": "^6.23.0"
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     "@commitlint/to-lines": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/to-lines/-/to-lines-7.1.1.tgz",
-      "integrity": "sha512-bwRuSoR5VGdqjQm4ar0fgSsax+2xWEbwc+8gWz6i29KQjFqKUc2QVZ8Dlllia9bWcEcgI5/Rck+JN/uVB5bYvg==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/to-lines/-/to-lines-7.1.2.tgz",
+      "integrity": "sha512-Nz3qZwrIEYiN9v/ThJqXAwu4X5+hvT9H8yRPHfjc538R8WhwEfhvym7/4YznDHSvWrQgwqtNPdrb6b2OSBsHmg==",
       "dev": true
     },
     "@commitlint/top-level": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@commitlint/top-level/-/top-level-7.1.1.tgz",
-      "integrity": "sha512-/tgro8r0yboNtZlETk9KPuGBzpx612rPqnPcsX60zU3OT2a+l1mOJnm0Kqya9rXfJkWYN9ocaYSFAawb4LEhTw==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/@commitlint/top-level/-/top-level-7.1.2.tgz",
+      "integrity": "sha512-YKugOAKy3hgM/ITezPp7Ns51U3xoJfuOsVnMGW4oDcHLhuQ/Qd58ROv/Hgedtk8HugKX3DdZ8XoEnRG70RDGqQ==",
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@@ -180,9 +190,9 @@
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-      "integrity": "sha512-Y7vfi3I5oMOYIr+WxV8NZxDSwcbNgzdKYsTNInmycOq9bUYwGg9ryu57Wg5NLmCjqdFPNUmpMBo3kSJN9tCbXg==",
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@@ -281,104 +291,13 @@
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+        "micromatch": "^3.1.4",
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@@ -634,7 +553,6 @@
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@@ -649,66 +567,61 @@
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "dev": true,
+          "requires": {
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-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.1.3.tgz",
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+      "version": "3.2.0",
+      "resolved": "http://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.2.0.tgz",
+      "integrity": "sha512-FYiBx7rc/KORMJlgsXysflWx/RIvtqZbyGLlHZvjfmPTPeuD/I8MaW7cfFrj5tRltICJdgwflhfZ3NVVbVLFQA==",
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@@ -6000,9 +5828,9 @@
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-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.13.1.tgz",
-      "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
+      "version": "1.15.2",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.15.2.tgz",
+      "integrity": "sha512-Ra/OXQtuh0/enyl4ETZAfTaeksa6BXks5ZcjpSUNrjBr0DvrJKX+1fsKDPpT9TBXgHAFsa4510aNVgI8g/+SzA==",
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@@ -6012,6 +5840,7 @@
         "ecc-jsbn": "~0.1.1",
         "getpass": "^0.1.1",
         "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
         "tweetnacl": "~0.14.0"
       },
       "dependencies": {
@@ -6156,10 +5985,16 @@
         "has-flag": "^3.0.0"
       }
     },
+    "symbol-observable": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz",
+      "integrity": "sha1-g0D8RwLDEi310iKI+IKD9RPT/dQ=",
+      "dev": true
+    },
     "text-extensions": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/text-extensions/-/text-extensions-1.7.0.tgz",
-      "integrity": "sha512-AKXZeDq230UaSzaO5s3qQUZOaC7iKbzq0jOFL614R7d9R593HLqAOL0cYoqLdkNrjBSOdmoQI06yigq1TSBXAg==",
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/text-extensions/-/text-extensions-1.9.0.tgz",
+      "integrity": "sha512-wiBrwC1EhBelW12Zy26JeOUkQ5mRu+5o8rpsJk5+2t+Y5vE7e842qtZDQ2g1NpX/29HdyFeJ4nSIhI47ENSxlQ==",
       "dev": true
     },
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@@ -6206,13 +6041,39 @@
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-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.3.tgz",
-      "integrity": "sha1-AARWmzfHx0ujnEPzzteNGtlBQL4=",
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
+      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
       "dev": true,
       "requires": {
-        "readable-stream": "^2.1.5",
+        "readable-stream": "~2.3.6",
         "xtend": "~4.0.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.3.6",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "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==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
       }
     },
     "to-array": {
@@ -6293,8 +6154,7 @@
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       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "type-check": {
       "version": "0.3.2",
@@ -6480,6 +6340,12 @@
         }
       }
     },
+    "upath": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.0.tgz",
+      "integrity": "sha512-bzpH/oBhoS/QI/YtbkqCg6VEiPYjSZtrHQM6/QnJS6OL9pKUFLqb3aFh4Scvwm45+7iAgiMkLhSbaZxUqmrprw==",
+      "dev": true
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -6496,6 +6362,12 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=",
+      "dev": true
+    },
     "uuid": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
@@ -6581,9 +6453,9 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.0.0.tgz",
-      "integrity": "sha512-c2UlYcAZp1VS8AORtpq6y4RJIkJ9dQz18W32SpR/qXGfLDZ2jU4y4wKvvZwqbi7U6gxFQTeE+urMbXU/tsDy4w==",
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.2.tgz",
+      "integrity": "sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==",
       "dev": true,
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diff --git a/package.json b/package.json
index f9127986..0c309209 100644
--- a/package.json
+++ b/package.json
@@ -41,27 +41,27 @@
   },
   "homepage": "https://github.com/chimurai/http-proxy-middleware",
   "devDependencies": {
-    "@commitlint/cli": "^7.1.1",
-    "@commitlint/config-conventional": "^7.1.1",
-    "browser-sync": "^2.24.7",
-    "chai": "^4.1.2",
+    "@commitlint/cli": "^7.2.1",
+    "@commitlint/config-conventional": "^7.1.2",
+    "browser-sync": "^2.26.3",
+    "chai": "^4.2.0",
     "connect": "^3.6.6",
     "coveralls": "^3.0.2",
-    "express": "^4.16.3",
+    "express": "^4.16.4",
     "husky": "^1.2.0",
     "istanbul": "^0.4.5",
     "istanbul-coveralls": "^1.0.3",
     "mocha": "^5.2.0",
     "mocha-lcov-reporter": "1.3.0",
-    "opn": "^5.3.0",
+    "opn": "^5.4.0",
     "precise-commits": "^1.0.2",
-    "prettier": "^1.14.3",
-    "ws": "^6.0.0"
+    "prettier": "^1.15.2",
+    "ws": "^6.1.2"
   },
   "dependencies": {
     "http-proxy": "^1.17.0",
     "is-glob": "^4.0.0",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.11",
     "micromatch": "^3.1.10"
   },
   "engines": {