diff --git a/yarn.lock b/yarn.lock
index 63f14f8..5fe63ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1293,7 +1293,7 @@ babel-messages@^6.23.0:
 
 babel-plugin-istanbul@^4.1.6:
   version "4.1.6"
-  resolved "http://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  resolved "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   integrity sha512-PWP9FQ1AhZhS01T/4qLSKoHGY/xvkZdVBGlKM/HuxxS3+sC66HhTNR7+MpbO/so/cz/wY94MeSWJuP1hXIPfwQ==
   dependencies:
     babel-plugin-syntax-object-rest-spread "^6.13.0"
@@ -1308,7 +1308,7 @@ babel-plugin-jest-hoist@^23.2.0:
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
   integrity sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=
 
 babel-preset-jest@^23.2.0:
@@ -1521,7 +1521,7 @@ browser-resolve@^1.11.3:
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  resolved "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
   dependencies:
     buffer-xor "^1.0.3"
@@ -1552,7 +1552,7 @@ browserify-des@^1.0.0:
 
 browserify-rsa@^4.0.0:
   version "4.0.1"
-  resolved "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  resolved "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
   integrity sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=
   dependencies:
     bn.js "^4.1.0"
@@ -1611,7 +1611,7 @@ buffer-xor@^1.0.3:
 
 buffer@^4.3.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   integrity sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=
   dependencies:
     base64-js "^1.0.2"
@@ -1708,7 +1708,7 @@ caseless@~0.12.0:
 
 chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
   dependencies:
     ansi-styles "^2.2.1"
@@ -1866,7 +1866,7 @@ colors@0.5.x:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   integrity sha1-cj599ugBrFYTETp+RFqbactjKBg=
   dependencies:
     delayed-stream "~1.0.0"
@@ -2041,7 +2041,7 @@ create-ecdh@^4.0.0:
 
 create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  resolved "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
   dependencies:
     cipher-base "^1.0.1"
@@ -2052,7 +2052,7 @@ create-hash@^1.1.0, create-hash@^1.1.2:
 
 create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.7"
-  resolved "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  resolved "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
   dependencies:
     cipher-base "^1.0.3"
@@ -2165,7 +2165,7 @@ date-now@^0.1.4:
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
   integrity sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=
 
-debug@2.6.9, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.6, debug@^2.6.8, debug@^2.6.9:
+debug@2.6.9, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
@@ -2179,10 +2179,17 @@ debug@=3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
-  version "3.2.5"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.5.tgz#c2418fbfd7a29f4d4f70ff4cea604d4b64c46407"
-  integrity sha512-D61LaDQPQkxJ5AUM2mbSJRbPkNs/TmdmOeLAi1hgDkpDfIfetSrjmWhccwtuResSwMbACjx/xXQofvM9CE/aeg==
+debug@^3.1.0, debug@^3.2.5:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
+
+debug@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
   dependencies:
     ms "^2.1.1"
 
@@ -2337,7 +2344,7 @@ detect-newline@^2.1.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
   integrity sha1-9B8cEL5LAOh7XxPaaAdZ8sW/0+I=
 
-detect-node@^2.0.3:
+detect-node@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.4.tgz#014ee8f8f669c5c58023da64b8179c083a28c46c"
   integrity sha512-ZIzRpLJrOj7jjP2miAtgqIfmzbxa4ZOr5jJc601zklsfEx9oTzmmj2nVpIPRpNlRTIh8lc1kyViIY7BWSGNmKw==
@@ -2349,7 +2356,7 @@ diff@^3.2.0:
 
 diffie-hellman@^5.0.0:
   version "5.0.3"
-  resolved "http://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
+  resolved "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
   integrity sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==
   dependencies:
     bn.js "^4.1.0"
@@ -2832,12 +2839,12 @@ events@^1.0.0:
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
   integrity sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ=
 
-eventsource@0.1.6:
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-0.1.6.tgz#0acede849ed7dd1ccc32c811bb11b944d4f29232"
-  integrity sha1-Cs7ehJ7X3RzMMsgRuxG5RNTykjI=
+eventsource@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-1.0.7.tgz#8fbc72c93fcd34088090bc0a4e64f4b5cee6d8d0"
+  integrity sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==
   dependencies:
-    original ">=0.0.5"
+    original "^1.0.0"
 
 evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
   version "1.0.3"
@@ -2926,7 +2933,7 @@ expect@^23.6.0:
 
 express@^4.16.2:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   integrity sha1-avilAjUNsyRuzEvs9rWjTSL37VM=
   dependencies:
     accepts "~1.3.5"
@@ -3056,10 +3063,10 @@ faye-websocket@^0.10.0:
   dependencies:
     websocket-driver ">=0.5.1"
 
-faye-websocket@~0.11.0:
-  version "0.11.1"
-  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.1.tgz#f0efe18c4f56e4f40afc7e06c719fd5ee6188f38"
-  integrity sha1-8O/hjE9W5PQK/H4Gxxn9XuYYjzg=
+faye-websocket@~0.11.1:
+  version "0.11.3"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.3.tgz#5c0e9a8968e8912c286639fde977a8b209f2508e"
+  integrity sha512-D2y4bovYpzziGgbHYtGCMjlJM36vAl/y+xUyn1C+FVx8szd1E+86KwVw6XvYSzOP8iMpm1X0I4xJD+QtUb36OA==
   dependencies:
     websocket-driver ">=0.5.1"
 
@@ -3417,10 +3424,10 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
   integrity sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=
 
-handle-thing@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
-  integrity sha1-/Xqtcmvxpf0W38KbL3pmAdJxOcQ=
+handle-thing@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.0.tgz#0e039695ff50c93fc288557d696f3c1dc6776754"
+  integrity sha512-d4sze1JNC454Wdo2fkuyzCr6aHcbL6PGGuFAz0Li/NcOm1tCHGnWDRmJP85dh9IhQErTc2svWFEX5xHIOo//kQ==
 
 handlebars@^4.0.3:
   version "4.0.12"
@@ -3600,7 +3607,7 @@ http-errors@1.6.2:
 
 http-errors@~1.6.2:
   version "1.6.3"
-  resolved "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
+  resolved "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz#8b55680bb4be283a0b5bf4ea2e38580be1d9320d"
   integrity sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
   dependencies:
     depd "~1.1.2"
@@ -3615,7 +3622,7 @@ http-parser-js@>=0.4.0:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   integrity sha512-Fs25KVMPAIIcgjMZkVHJoKg9VcXcC1C8yb9JUgeDvVXY0S/zgVIhMb+qVswDIgtJe2DfckMSY2d6TuTEutlk6Q==
   dependencies:
     http-proxy "^1.16.2"
@@ -3863,7 +3870,7 @@ is-buffer@^1.1.5:
 
 is-builtin-module@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  resolved "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
   integrity sha1-VAVy0096wxGfj3bDDLwbHgN6/74=
   dependencies:
     builtin-modules "^1.0.0"
@@ -4739,7 +4746,7 @@ levn@^0.3.0, levn@~0.3.0:
 
 load-json-file@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  resolved "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
   integrity sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=
   dependencies:
     graceful-fs "^4.1.2"
@@ -4750,7 +4757,7 @@ load-json-file@^1.0.0:
 
 load-json-file@^2.0.0:
   version "2.0.0"
-  resolved "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
+  resolved "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
   integrity sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=
   dependencies:
     graceful-fs "^4.1.2"
@@ -5032,17 +5039,17 @@ minimatch@^3.0.3, minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
 minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 minipass@^2.2.1, minipass@^2.3.3:
@@ -5086,7 +5093,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
@@ -5444,7 +5451,7 @@ object.values@^1.0.4:
     function-bind "^1.1.0"
     has "^1.0.1"
 
-obuf@^1.0.0, obuf@^1.1.1:
+obuf@^1.0.0, obuf@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
   integrity sha512-PX1wu0AmAdPqOL1mWhqmlOd8kOIZQwGZw6rh7uby9fTc5lhaOWFLX3I6R1hrF9k3zUY40e6igsLGkDXK92LJNg==
@@ -5502,7 +5509,7 @@ optionator@^0.8.1, optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-original@>=0.0.5:
+original@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/original/-/original-1.0.2.tgz#e442a61cffe1c5fd20a65f3261c26663b303f25f"
   integrity sha512-hyBVl6iqqUOJ8FqRe+l/gS8H+kKYjrEndd5Pm1MfBtsEKA038HkkdbAl/72EAXGyonD/PFsvmVG+EvcIpliMBg==
@@ -5571,7 +5578,7 @@ p-finally@^1.0.0:
 
 p-is-promise@^1.1.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
+  resolved "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz#9c9456989e9f6588017b0434d56097675c3da05e"
   integrity sha1-nJRWmJ6fZYgBewQ01WCXZ1w9oF4=
 
 p-limit@^1.1.0:
@@ -5633,7 +5640,7 @@ parallel-transform@^1.1.0:
 
 parse-asn1@^5.0.0:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
+  resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
   integrity sha512-KPx7flKXg775zZpnp9SxJlz00gTd4BmJ2yJufSc44gMCRrRQ7NSzAcSJQfifuOLgW6bEi+ftrALtsgALeB2Adw==
   dependencies:
     asn1.js "^4.0.0"
@@ -5916,7 +5923,7 @@ psl@^1.1.24:
 
 public-encrypt@^4.0.0:
   version "4.0.2"
-  resolved "http://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
+  resolved "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
   integrity sha512-4kJ5Esocg8X3h8YgJsKAuoesBgB7mqH3eowiDzMUPKiRDDE7E/BqqZD1hnTByIaAFiwAw246YEltSq7tdrOH0Q==
   dependencies:
     bn.js "^4.1.0"
@@ -6120,9 +6127,9 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.6:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
   dependencies:
     core-util-is "~1.0.0"
@@ -6133,6 +6140,15 @@ read-pkg@^2.0.0:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readable-stream@^3.0.6:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.4.0.tgz#a51c26754658e0a3c21dbf59163bd45ba6f447fc"
+  integrity sha512-jItXPLmrSR8jmTRmRWJXCnGJsfy85mB3Wd/uINMXA65yrnFo0cPClFIUWzo2najVNSl+mx7/4W8ttlLWJe99pQ==
+  dependencies:
+    inherits "^2.0.3"
+    string_decoder "^1.1.1"
+    util-deprecate "^1.0.1"
+
 readdirp@^2.0.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -6427,6 +6443,11 @@ safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
+safe-buffer@~5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+  integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -6496,10 +6517,10 @@ selfsigned@^1.9.1:
   dependencies:
     node-forge "0.7.5"
 
-"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
-  version "5.5.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
-  integrity sha512-PqpAxfrEhlSUWge8dwIp4tZnQ25DIOthpiaHNIthsjEFQD6EvqUKUDM7L8O2rShkFccYo1VjJR0coWfNkCubRw==
+"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
 send@0.16.2:
   version "0.16.2"
@@ -6590,7 +6611,7 @@ setprototypeof@1.1.0:
 
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.11"
-  resolved "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  resolved "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
   integrity sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==
   dependencies:
     inherits "^2.0.1"
@@ -6670,17 +6691,17 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-sockjs-client@1.1.5:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.1.5.tgz#1bb7c0f7222c40f42adf14f4442cbd1269771a83"
-  integrity sha1-G7fA9yIsQPQq3xT0RCy9Eml3GoM=
+sockjs-client@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.3.0.tgz#12fc9d6cb663da5739d3dc5fb6e8687da95cb177"
+  integrity sha512-R9jxEzhnnrdxLCNln0xg5uGHqMnkhPSTzUZH2eXcR03S/On9Yvoq2wyUZILRUhZCNVu2PmwWVoyuiPz8th8zbg==
   dependencies:
-    debug "^2.6.6"
-    eventsource "0.1.6"
-    faye-websocket "~0.11.0"
-    inherits "^2.0.1"
+    debug "^3.2.5"
+    eventsource "^1.0.7"
+    faye-websocket "~0.11.1"
+    inherits "^2.0.3"
     json3 "^3.3.2"
-    url-parse "^1.1.8"
+    url-parse "^1.4.3"
 
 sockjs@0.3.19:
   version "0.3.19"
@@ -6762,30 +6783,28 @@ spdx-license-ids@^3.0.0:
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.1.tgz#e2a303236cac54b04031fa7a5a79c7e701df852f"
   integrity sha512-TfOfPcYGBB5sDuPn3deByxPhmfegAhpDYKSOXZQN81Oyrrif8ZCodOLzK3AesELnCx03kikhyDwh0pfvvQvF8w==
 
-spdy-transport@^2.0.18:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-2.1.0.tgz#4bbb15aaffed0beefdd56ad61dbdc8ba3e2cb7a1"
-  integrity sha512-bpUeGpZcmZ692rrTiqf9/2EUakI6/kXX1Rpe0ib/DyOzbiexVfXkw6GnvI9hVGvIwVaUhkaBojjCZwLNRGQg1g==
+spdy-transport@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-3.0.0.tgz#00d4863a6400ad75df93361a1608605e5dcdcf31"
+  integrity sha512-hsLVFE5SjA6TCisWeJXFKniGGOpBgMLmerfO2aCyCU5s7nJ/rpAepqmFifv/GCbSbueEeAJJnmSQ2rKC/g8Fcw==
   dependencies:
-    debug "^2.6.8"
-    detect-node "^2.0.3"
+    debug "^4.1.0"
+    detect-node "^2.0.4"
     hpack.js "^2.1.6"
-    obuf "^1.1.1"
-    readable-stream "^2.2.9"
-    safe-buffer "^5.0.1"
-    wbuf "^1.7.2"
+    obuf "^1.1.2"
+    readable-stream "^3.0.6"
+    wbuf "^1.7.3"
 
-spdy@^3.4.1:
-  version "3.4.7"
-  resolved "https://registry.yarnpkg.com/spdy/-/spdy-3.4.7.tgz#42ff41ece5cc0f99a3a6c28aabb73f5c3b03acbc"
-  integrity sha1-Qv9B7OXMD5mjpsKKq7c/XDsDrLw=
+spdy@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.1.tgz#6f12ed1c5db7ea4f24ebb8b89ba58c87c08257f2"
+  integrity sha512-HeZS3PBdMA+sZSu0qwpCxl3DeALD5ASx8pAX0jZdKXSpPWbQ6SYGnlg3BBmYLx5LtiZrmkAZfErCm2oECBcioA==
   dependencies:
-    debug "^2.6.8"
-    handle-thing "^1.2.5"
+    debug "^4.1.0"
+    handle-thing "^2.0.0"
     http-deceiver "^1.2.7"
-    safe-buffer "^5.0.1"
     select-hose "^2.0.0"
-    spdy-transport "^2.0.18"
+    spdy-transport "^3.0.0"
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -6923,6 +6942,13 @@ string_decoder@^1.0.0, string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.3.0.tgz#42f114594a46cf1a8e30b0a84f56c78c3edac21e"
+  integrity sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==
+  dependencies:
+    safe-buffer "~5.2.0"
+
 strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
@@ -6985,7 +7011,7 @@ symbol-tree@^3.2.2:
 
 table@^4.0.3:
   version "4.0.3"
-  resolved "http://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+  resolved "https://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
   integrity sha512-S7rnFITmBH1EnyKcvxBh1LjYeQMmnZtCXSEbHcH6S0NoKit24ZuFO/T1vDcLdYsLQkM188PVVhQmzKIuThNkKg==
   dependencies:
     ajv "^6.0.1"
@@ -7044,7 +7070,7 @@ through2@^2.0.0:
 
 through@^2.3.6:
   version "2.3.8"
-  resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
   integrity sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
 
 thunky@^1.0.2:
@@ -7285,7 +7311,7 @@ urix@^0.1.0:
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
   integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
 
-url-parse@^1.1.8, url-parse@^1.4.3:
+url-parse@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.3.tgz#bfaee455c889023219d757e045fa6a684ec36c15"
   integrity sha512-rh+KuAW36YKo0vClhQzLLveoj8FwPJNu65xLb7Mrt+eZht0IPT0IXgSv8gcMegZ6NvjJUALf6Mf25POlMwD1Fw==
@@ -7306,7 +7332,7 @@ use@^3.1.0:
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
   integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
-util-deprecate@~1.0.1:
+util-deprecate@^1.0.1, util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
@@ -7408,7 +7434,7 @@ watchpack@^1.5.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
-wbuf@^1.1.0, wbuf@^1.7.2:
+wbuf@^1.1.0, wbuf@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.3.tgz#c1d8d149316d3ea852848895cb6a0bfe887b87df"
   integrity sha512-O84QOnr0icsbFGLS0O3bI5FswxzRr8/gHwWkDlQFskhSPryQXvrTMxjxGP4+iWYoauLoBvfDpkrOauZ+0iZpDA==
@@ -7447,9 +7473,9 @@ webpack-dev-middleware@3.4.0:
     webpack-log "^2.0.0"
 
 webpack-dev-server@^3.1.7:
-  version "3.1.9"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.9.tgz#8b32167624d2faff40dcedc2cbce17ed1f34d3e0"
-  integrity sha512-fqPkuNalLuc/hRC2QMkVYJkgNmRvxZQo7ykA2e1XRg/tMJm3qY7ZaD6d89/Fqjxtj9bOrn5wZzLD2n84lJdvWg==
+  version "3.1.11"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.11.tgz#3b698b5b32476f1f0d3d4014952fcf42ab118205"
+  integrity sha512-E/uGbO9ndXrXgNUzw+O2UrrvYY/eIw10fpJnbvJf8VOH/NWZuY3nUG7arbgB/kbkORlF/sPHxnv10tKFtKf3aA==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
@@ -7470,12 +7496,14 @@ webpack-dev-server@^3.1.7:
     portfinder "^1.0.9"
     schema-utils "^1.0.0"
     selfsigned "^1.9.1"
+    semver "^5.6.0"
     serve-index "^1.7.2"
     sockjs "0.3.19"
-    sockjs-client "1.1.5"
-    spdy "^3.4.1"
+    sockjs-client "1.3.0"
+    spdy "^4.0.0"
     strip-ansi "^3.0.0"
     supports-color "^5.1.0"
+    url "^0.11.0"
     webpack-dev-middleware "3.4.0"
     webpack-log "^2.0.0"
     yargs "12.0.2"
@@ -7607,7 +7635,7 @@ worker-farm@^1.5.2:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
   dependencies:
     string-width "^1.0.1"
@@ -7735,7 +7763,7 @@ yargs@^10.0.3:
 
 yargs@^11.0.0:
   version "11.1.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   integrity sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==
   dependencies:
     cliui "^4.0.0"