diff --git a/package-lock.json b/package-lock.json
index 7cbba76..ae86179 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "resolved": "http://registry.npmjs.org/ripemd160/-/ripemd160-0.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-0.2.0.tgz",
       "integrity": "sha1-K/GYveFnys+lHAqSjoS2i74XH84=",
       "dev": true
     },
@@ -9273,7 +9292,7 @@
         },
         "fast-deep-equal": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
           "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
           "dev": true
         },
@@ -9892,7 +9911,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
@@ -10009,7 +10028,7 @@
     },
     "tapable": {
       "version": "0.1.10",
-      "resolved": "http://registry.npmjs.org/tapable/-/tapable-0.1.10.tgz",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-0.1.10.tgz",
       "integrity": "sha1-KcNXB8K3DlDQdIK10gLo7URtr9Q=",
       "dev": true
     },
@@ -10257,7 +10276,7 @@
     },
     "uglify-js": {
       "version": "2.7.5",
-      "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz",
       "integrity": "sha1-RhLAx7qu4rp8SH3kkErhIgefLKg=",
       "dev": true,
       "requires": {
@@ -10269,7 +10288,7 @@
       "dependencies": {
         "async": {
           "version": "0.2.10",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
           "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
           "dev": true
         },
@@ -10304,7 +10323,7 @@
         },
         "yargs": {
           "version": "3.10.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "dev": true,
           "requires": {
@@ -10375,7 +10394,7 @@
         },
         "yargs": {
           "version": "3.10.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "dev": true,
           "requires": {
@@ -10388,9 +10407,9 @@
       }
     },
     "underscore": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-      "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==",
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
+      "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g==",
       "dev": true
     },
     "union-value": {
@@ -10695,7 +10714,7 @@
       "dependencies": {
         "async": {
           "version": "0.9.2",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.9.2.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
           "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=",
           "dev": true
         }
@@ -10899,7 +10918,7 @@
             },
             "is-accessor-descriptor": {
               "version": "0.1.6",
-              "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
               "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
               "dev": true,
               "requires": {
@@ -10919,7 +10938,7 @@
             },
             "is-data-descriptor": {
               "version": "0.1.4",
-              "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
               "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
               "dev": true,
               "requires": {
@@ -11285,7 +11304,7 @@
         },
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "dev": true,
           "requires": {
@@ -11493,7 +11512,7 @@
             },
             "is-accessor-descriptor": {
               "version": "0.1.6",
-              "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+              "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
               "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
               "dev": true,
               "requires": {
@@ -11513,7 +11532,7 @@
             },
             "is-data-descriptor": {
               "version": "0.1.4",
-              "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+              "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
               "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
               "dev": true,
               "requires": {
@@ -11766,7 +11785,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -11834,7 +11853,7 @@
         },
         "yargs": {
           "version": "6.6.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
           "dev": true,
           "requires": {
@@ -11855,7 +11874,7 @@
         },
         "yargs-parser": {
           "version": "4.2.1",
-          "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
           "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
           "dev": true,
           "requires": {
@@ -12032,7 +12051,7 @@
     },
     "yargs": {
       "version": "3.32.0",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
       "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
       "dev": true,
       "requires": {
diff --git a/yarn.lock b/yarn.lock
index 1a1f392..ec1adf1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6406,8 +6406,8 @@ uglifyjs-webpack-plugin@^0.4.6:
     webpack-sources "^1.0.1"
 
 underscore@^1.8.3:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.1.tgz#0c1c6bd2df54b6b69f2314066d65b6cde6fcf9d1"
 
 union-value@^1.0.0:
   version "1.0.0"