diff --git a/yarn.lock b/yarn.lock
index 0d90d95..92ab942 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -112,6 +112,10 @@ acorn@^3.0.4, acorn@^3.1.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
 
+acorn@^5.5.0:
+  version "5.7.3"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
+
 after@0.8.1:
   version "0.8.1"
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.1.tgz#ab5d4fb883f596816d3515f8f791c0af486dd627"
@@ -149,10 +153,28 @@ ansi-align@^1.1.0:
   dependencies:
     string-width "^1.0.1"
 
+ansi-align@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-2.0.0.tgz#c36aeccba563b89ceb556f3690f0b1d9e3547f7f"
+  dependencies:
+    string-width "^2.0.0"
+
+ansi-cyan@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-cyan/-/ansi-cyan-0.1.1.tgz#538ae528af8982f28ae30d86f2f17456d2609873"
+  dependencies:
+    ansi-wrap "0.1.0"
+
 ansi-escapes@^1.0.0, ansi-escapes@^1.1.0, ansi-escapes@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
 
+ansi-gray@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-gray/-/ansi-gray-0.1.1.tgz#2962cf54ec9792c48510a3deb524436861ef7251"
+  dependencies:
+    ansi-wrap "0.1.0"
+
 ansi-red@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ansi-red/-/ansi-red-0.1.1.tgz#8c638f9d1080800a353c9c28c8a81ca4705d946c"
@@ -163,10 +185,20 @@ ansi-regex@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.0.0.tgz#c5061b6e0ef8a81775e50f5d66151bf6bf371107"
 
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+
 ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  dependencies:
+    color-convert "^1.9.0"
+
 ansi-wrap@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
@@ -199,6 +231,13 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
+arr-diff@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-1.1.0.tgz#687c32758163588fef7de7b36fabe495eb1a399a"
+  dependencies:
+    arr-flatten "^1.0.1"
+    array-slice "^0.2.3"
+
 arr-diff@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-2.0.0.tgz#8f3b827f955a8bd669697e4a4256ac3ceae356cf"
@@ -209,6 +248,10 @@ arr-flatten@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.0.1.tgz#e5ffe54d45e19f32f216e91eb99c8ce892bb604b"
 
+arr-union@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-2.1.0.tgz#20f9eab5ec70f5c7d215b1077b1c39161d292c7d"
+
 array-differ@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
@@ -228,6 +271,10 @@ array-index@^1.0.0:
     debug "^2.2.0"
     es6-symbol "^3.0.2"
 
+array-slice@^0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
+
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
@@ -307,7 +354,7 @@ async-settle@^1.0.0:
   dependencies:
     async-done "^1.2.2"
 
-async@1.5.2, async@^1.4.0:
+async@1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -494,14 +541,13 @@ babel-helpers@^6.23.0:
     babel-runtime "^6.22.0"
     babel-template "^6.23.0"
 
-babel-loader@^6.3.2:
-  version "6.3.2"
-  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-6.3.2.tgz#18de4566385578c1b4f8ffe6cbc668f5e2a5ef03"
+babel-loader@^7.0.0:
+  version "7.1.5"
+  resolved "https://registry.yarnpkg.com/babel-loader/-/babel-loader-7.1.5.tgz#e3ee0cd7394aa557e013b02d3e492bfd07aa6d68"
   dependencies:
-    find-cache-dir "^0.1.1"
-    loader-utils "^0.2.16"
+    find-cache-dir "^1.0.0"
+    loader-utils "^1.0.2"
     mkdirp "^0.5.1"
-    object-assign "^4.0.1"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -912,6 +958,10 @@ big.js@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.1.3.tgz#4cada2193652eb3ca9ec8e55c9015669c9806978"
 
+big.js@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
+
 binary-extensions@^1.0.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.8.0.tgz#48ec8d16df4377eae5fa5884682480af4d95c774"
@@ -966,6 +1016,18 @@ boxen@^0.6.0:
     string-width "^1.0.1"
     widest-line "^1.0.0"
 
+boxen@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/boxen/-/boxen-1.3.0.tgz#55c6c39a8ba58d9c61ad22cd877532deb665a20b"
+  dependencies:
+    ansi-align "^2.0.0"
+    camelcase "^4.0.0"
+    chalk "^2.0.1"
+    cli-boxes "^1.0.0"
+    string-width "^2.0.0"
+    term-size "^1.2.0"
+    widest-line "^2.0.0"
+
 brace-expansion@^1.0.0:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.6.tgz#7197d7eaa9b87e648390ea61fc66c84427420df9"
@@ -1119,6 +1181,10 @@ buf-compare@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buf-compare/-/buf-compare-1.0.1.tgz#fef28da8b8113a0a0db4430b0b6467b69730b34a"
 
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+
 buffer-shims@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
@@ -1176,6 +1242,10 @@ camelcase@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
 
+camelcase@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
+
 caniuse-db@^1.0.30000623, caniuse-db@^1.0.30000624:
   version "1.0.30000624"
   resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000624.tgz#554b87547895e36f5fe128f4b7448a2ea5bf2213"
@@ -1205,6 +1275,14 @@ chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
+chalk@^2.0.1, chalk@^2.4.1:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 cheerio@0.*:
   version "0.22.0"
   resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-0.22.0.tgz#a9baa860a3f9b595a6b81b1a86873121ed3a269e"
@@ -1241,6 +1319,10 @@ chokidar@1.6.1, chokidar@^1.4.3, chokidar@^1.6.0:
   optionalDependencies:
     fsevents "^1.0.0"
 
+ci-info@^1.5.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.6.0.tgz#2ca20dbb9ceb32d4524a683303313f0304b1e497"
+
 cipher-base@^1.0.0, cipher-base@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.3.tgz#eeabf194419ce900da3018c207d212f2a6df0a07"
@@ -1328,6 +1410,16 @@ color-convert@^1.3.0:
   dependencies:
     color-name "^1.1.1"
 
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+
 color-name@^1.0.0, color-name@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.1.tgz#4b1415304cf50028ea81643643bd82ea05803689"
@@ -1338,6 +1430,10 @@ color-string@^0.3.0:
   dependencies:
     color-name "^1.0.0"
 
+color-support@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-support/-/color-support-1.1.3.tgz#93834379a1cc9a0c61f82f52f0d04322251bd5a2"
+
 color@^0.11.0:
   version "0.11.4"
   resolved "https://registry.yarnpkg.com/color/-/color-0.11.4.tgz#6d7b5c74fb65e841cd48792ad1ed5e07b904d764"
@@ -1377,6 +1473,10 @@ commander@^2.2.0, commander@^2.8.1, commander@^2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
+commander@~2.20.3:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -1409,6 +1509,15 @@ concat-stream@^1.4.6, concat-stream@^1.4.7:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-stream@^1.5.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 config-chain@~1.1.5:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/config-chain/-/config-chain-1.1.11.tgz#aba09747dfbe4c3e70e766a6e41586e1859fc6f2"
@@ -1430,6 +1539,17 @@ configstore@^2.0.0:
     write-file-atomic "^1.1.2"
     xdg-basedir "^2.0.0"
 
+configstore@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.2.tgz#c6f25defaeef26df12dd33414b001fe81a543f8f"
+  dependencies:
+    dot-prop "^4.1.0"
+    graceful-fs "^4.1.2"
+    make-dir "^1.0.0"
+    unique-string "^1.0.0"
+    write-file-atomic "^2.0.0"
+    xdg-basedir "^3.0.0"
+
 connect-history-api-fallback@^1.1.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.3.0.tgz#e51d17f8f0ef0db90a64fdb47de3051556e9f169"
@@ -1522,7 +1642,7 @@ create-ecdh@^4.0.0:
     bn.js "^4.1.0"
     elliptic "^6.0.0"
 
-create-error-class@^3.0.1:
+create-error-class@^3.0.0, create-error-class@^3.0.1:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
   dependencies:
@@ -1558,6 +1678,14 @@ cross-spawn@^4.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
+cross-spawn@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
@@ -1579,6 +1707,10 @@ crypto-browserify@^3.11.0:
     public-encrypt "^4.0.0"
     randombytes "^2.0.0"
 
+crypto-random-string@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/crypto-random-string/-/crypto-random-string-1.0.0.tgz#a230f64f568310e1498009940790ec99545bca7e"
+
 css-color-names@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/css-color-names/-/css-color-names-0.0.4.tgz#808adc2e79cf84738069b646cb20ec27beb629e0"
@@ -1809,6 +1941,12 @@ doctrine@1.5.0, doctrine@^1.2.2:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
+doctrine@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
+  dependencies:
+    esutils "^2.0.2"
+
 dom-serializer@0, dom-serializer@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-0.1.0.tgz#073c697546ce0780ce23be4a28e293e40bc30c82"
@@ -1847,6 +1985,12 @@ dot-prop@^3.0.0:
   dependencies:
     is-obj "^1.0.0"
 
+dot-prop@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.0.tgz#1f19e0c2e1aa0e32797c49799f2837ac6af69c57"
+  dependencies:
+    is-obj "^1.0.0"
+
 duplexer2@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
@@ -1859,6 +2003,10 @@ duplexer2@^0.1.4:
   dependencies:
     readable-stream "^2.0.2"
 
+duplexer3@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.4.tgz#ee01dd1cac0ed3cbc7fdbea37dc0a8f1ce002ce2"
+
 duplexify@^3.2.0, duplexify@^3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.0.tgz#1aa773002e1578457e9d9d4a50b0ccaaebcbd604"
@@ -2079,9 +2227,9 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-config-xo@^0.17.0:
-  version "0.17.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-xo/-/eslint-config-xo-0.17.0.tgz#1e7d4a86bf49179805c4622e832a7b1beeb4e881"
+eslint-config-xo@^0.18.0:
+  version "0.18.2"
+  resolved "https://registry.yarnpkg.com/eslint-config-xo/-/eslint-config-xo-0.18.2.tgz#0a157120875619929e735ffd6b185c41e8a187af"
 
 eslint-formatter-pretty@^1.0.0:
   version "1.1.0"
@@ -2108,18 +2256,18 @@ eslint-module-utils@^2.0.0:
     debug "2.2.0"
     pkg-dir "^1.0.0"
 
-eslint-plugin-ava@^3.1.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-ava/-/eslint-plugin-ava-3.1.1.tgz#fdcf1ad9605867639ae0007d58100ee40a6de25d"
+eslint-plugin-ava@^4.2.0:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ava/-/eslint-plugin-ava-4.5.1.tgz#a51b89a306dfd5b2f91185e283837aeade6f9e5c"
   dependencies:
     arrify "^1.0.1"
     deep-strict-equal "^0.2.0"
     enhance-visitors "^1.0.0"
     espree "^3.1.3"
     espurify "^1.5.0"
+    import-modules "^1.1.0"
     multimatch "^2.1.0"
-    pkg-up "^1.0.0"
-    req-all "^0.1.0"
+    pkg-up "^2.0.0"
 
 eslint-plugin-import@^2.0.0:
   version "2.2.0"
@@ -2145,19 +2293,19 @@ eslint-plugin-no-use-extend-native@^0.3.2:
     is-obj-prop "^1.0.0"
     is-proto-prop "^1.0.0"
 
-eslint-plugin-promise@^3.0.0:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-3.4.0.tgz#6ba9048c2df57be77d036e0c68918bc9b4fc4195"
+eslint-plugin-promise@^3.4.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-3.8.0.tgz#65ebf27a845e3c1e9d6f6a5622ddd3801694b621"
 
-eslint-plugin-unicorn@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-unicorn/-/eslint-plugin-unicorn-1.0.0.tgz#b761ad233d34d164cda5c41217571609bd1ac161"
+eslint-plugin-unicorn@^2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-unicorn/-/eslint-plugin-unicorn-2.1.2.tgz#99dffe9f4773b04bc39356a7febd64dd700274bc"
   dependencies:
+    import-modules "^1.1.0"
     lodash.camelcase "^4.1.1"
     lodash.kebabcase "^4.0.1"
     lodash.snakecase "^4.0.1"
     lodash.upperfirst "^4.2.0"
-    req-all "^0.1.0"
 
 eslint@^2.7.0:
   version "2.13.1"
@@ -2197,17 +2345,18 @@ eslint@^2.7.0:
     text-table "~0.2.0"
     user-home "^2.0.0"
 
-eslint@^3.6.0:
-  version "3.12.2"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.12.2.tgz#6be5a9aa29658252abd7f91e9132bab1f26f3c34"
+eslint@^3.18.0:
+  version "3.19.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
   dependencies:
     babel-code-frame "^6.16.0"
     chalk "^1.1.3"
-    concat-stream "^1.4.6"
+    concat-stream "^1.5.2"
     debug "^2.1.1"
-    doctrine "^1.2.2"
+    doctrine "^2.0.0"
     escope "^3.6.0"
-    espree "^3.3.1"
+    espree "^3.4.0"
+    esquery "^1.0.0"
     estraverse "^4.2.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
@@ -2231,18 +2380,25 @@ eslint@^3.6.0:
     require-uncached "^1.0.2"
     shelljs "^0.7.5"
     strip-bom "^3.0.0"
-    strip-json-comments "~1.0.1"
+    strip-json-comments "~2.0.1"
     table "^3.7.8"
     text-table "~0.2.0"
     user-home "^2.0.0"
 
-espree@^3.1.3, espree@^3.1.6, espree@^3.3.1:
+espree@^3.1.3, espree@^3.1.6:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/espree/-/espree-3.3.2.tgz#dbf3fadeb4ecb4d4778303e50103b3d36c88b89c"
   dependencies:
     acorn "^4.0.1"
     acorn-jsx "^3.0.0"
 
+espree@^3.4.0:
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
+  dependencies:
+    acorn "^5.5.0"
+    acorn-jsx "^3.0.0"
+
 esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
@@ -2253,6 +2409,12 @@ espurify@^1.5.0:
   dependencies:
     core-js "^2.0.0"
 
+esquery@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.1.tgz#406c51658b1f5991a5f9b62b1dc25b00e3e5c708"
+  dependencies:
+    estraverse "^4.0.0"
+
 esrecurse@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.1.0.tgz#4713b6536adf7f2ac4f327d559e7756bff648220"
@@ -2260,6 +2422,10 @@ esrecurse@^4.1.0:
     estraverse "~4.1.0"
     object-assign "^4.0.1"
 
+estraverse@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
+
 estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
@@ -2308,6 +2474,18 @@ execa@^0.5.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
+execa@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    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"
+
 exit-hook@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
@@ -2370,6 +2548,12 @@ express@^4.14.0:
     utils-merge "1.0.0"
     vary "~1.1.0"
 
+extend-shallow@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-1.1.4.tgz#19d6bf94dfc09d76ba711f39b872d21ff4dd9071"
+  dependencies:
+    kind-of "^1.1.0"
+
 extend-shallow@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
@@ -2405,6 +2589,15 @@ fancy-log@^1.1.0:
     chalk "^1.1.1"
     time-stamp "^1.0.0"
 
+fancy-log@^1.3.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
+  dependencies:
+    ansi-gray "^0.1.1"
+    color-support "^1.1.3"
+    parse-node-version "^1.0.0"
+    time-stamp "^1.0.0"
+
 fast-levenshtein@~2.0.4:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.5.tgz#bd33145744519ab1c36c3ee9f31f08e9079b67f2"
@@ -2458,13 +2651,13 @@ finalhandler@0.5.0:
     statuses "~1.3.0"
     unpipe "~1.0.0"
 
-find-cache-dir@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+find-cache-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
   dependencies:
     commondir "^1.0.1"
-    mkdirp "^0.5.1"
-    pkg-dir "^1.0.0"
+    make-dir "^1.0.0"
+    pkg-dir "^2.0.0"
 
 find-up@^1.0.0:
   version "1.1.2"
@@ -2473,7 +2666,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.0.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -2692,6 +2885,10 @@ get-stream@^2.2.0:
     object-assign "^4.0.1"
     pinkie-promise "^2.0.0"
 
+get-stream@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
+
 getpass@^0.1.1:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
@@ -2761,6 +2958,12 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@~7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+global-dirs@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/global-dirs/-/global-dirs-0.1.1.tgz#b319c0dd4607f353f3be9cca4c72fc148c49f445"
+  dependencies:
+    ini "^1.3.4"
+
 global-modules@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-0.2.3.tgz#ea5a3bed42c6d6ce995a4f8a1269b5dae223828d"
@@ -2842,10 +3045,30 @@ got@^5.0.0:
     unzip-response "^1.0.2"
     url-parse-lax "^1.0.0"
 
+got@^6.7.1:
+  version "6.7.1"
+  resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
+  dependencies:
+    create-error-class "^3.0.0"
+    duplexer3 "^0.1.4"
+    get-stream "^3.0.0"
+    is-redirect "^1.0.0"
+    is-retry-allowed "^1.0.0"
+    is-stream "^1.0.0"
+    lowercase-keys "^1.0.0"
+    safe-buffer "^5.0.1"
+    timed-out "^4.0.0"
+    unzip-response "^2.0.1"
+    url-parse-lax "^1.0.0"
+
 graceful-fs@4.X, graceful-fs@^4.0.0, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
+graceful-fs@^4.1.11:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
+
 "graceful-readlink@>= 1.0.0":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
@@ -2909,13 +3132,14 @@ gulp-plumber@^1.1.0:
     gulp-util "^3"
     through2 "^2"
 
-gulp-postcss@^6.3.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/gulp-postcss/-/gulp-postcss-6.3.0.tgz#33ee9723e59c302f33d707fc4b7398b10f032bff"
+gulp-postcss@^7.0.0:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/gulp-postcss/-/gulp-postcss-7.0.1.tgz#3f1c36db1197140c399c252ddff339129638e395"
   dependencies:
-    gulp-util "^3.0.8"
-    postcss "^5.2.10"
-    postcss-load-config "^1.1.0"
+    fancy-log "^1.3.2"
+    plugin-error "^0.1.2"
+    postcss "^6.0.0"
+    postcss-load-config "^1.2.0"
     vinyl-sourcemaps-apply "^0.2.1"
 
 gulp-rename@^1.2.2:
@@ -3011,13 +3235,13 @@ gulp-util@>=2.2.0, gulp-util@^3, gulp-util@^3.0, gulp-util@^3.0.0, gulp-util@^3.
     through2 "^2.0.0"
     vinyl "^0.5.0"
 
-gulp-xo@^0.14.0:
-  version "0.14.0"
-  resolved "https://registry.yarnpkg.com/gulp-xo/-/gulp-xo-0.14.0.tgz#837dd7af9e599bab900b672985a8d9cf905bc3af"
+gulp-xo@^0.15.0:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/gulp-xo/-/gulp-xo-0.15.0.tgz#71022f11423ddb49e6a7d892717cde350886d129"
   dependencies:
     gulp-util "^3.0.6"
     through2 "^2.0.0"
-    xo "^0.17.0"
+    xo "^0.18.0"
 
 "gulp@github:gulpjs/gulp#4.0":
   version "4.0.0-alpha.2"
@@ -3035,14 +3259,14 @@ gulplog@^1.0.0:
     glogg "^1.0.0"
 
 handlebars@^4.0.5:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.6.tgz#2ce4484850537f9c97a8026d5399b935c4ed4ed7"
+  version "4.5.3"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.5.3.tgz#5cf75bd8714f7605713511a56be7c349becb0482"
   dependencies:
-    async "^1.4.0"
+    neo-async "^2.6.0"
     optimist "^0.6.1"
-    source-map "^0.4.4"
+    source-map "^0.6.1"
   optionalDependencies:
-    uglify-js "^2.6"
+    uglify-js "^3.1.4"
 
 har-validator@~2.0.6:
   version "2.0.6"
@@ -3087,6 +3311,10 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+
 has-gulplog@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/has-gulplog/-/has-gulplog-0.1.0.tgz#6414c82913697da51590397dafb12f22967811ce"
@@ -3193,10 +3421,22 @@ ignore@^3.1.2, ignore@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.2.0.tgz#8d88f03c3002a0ac52114db25d2c673b0bf1e435"
 
+ignore@^3.2.6:
+  version "3.3.10"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.10.tgz#0a97fb876986e8081c631160f8f9f389157f0043"
+
 immutable@3.8.1, immutable@^3.7.6:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/immutable/-/immutable-3.8.1.tgz#200807f11ab0f72710ea485542de088075f68cd2"
 
+import-lazy@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/import-lazy/-/import-lazy-2.1.0.tgz#05698e3d45c88e8d7e9d92cb0584e77f096f3e43"
+
+import-modules@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/import-modules/-/import-modules-1.1.0.tgz#748db79c5cc42bb9701efab424f894e72600e9dc"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -3345,6 +3585,12 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
+is-ci@^1.0.10:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.1.tgz#e3779c8ee17fccf428488f6e281187f2e632841c"
+  dependencies:
+    ci-info "^1.5.0"
+
 is-dotfile@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.2.tgz#2c132383f39199f8edc268ca01b9b007d205cc4d"
@@ -3406,6 +3652,13 @@ is-glob@^3.1.0:
   dependencies:
     is-extglob "^2.1.0"
 
+is-installed-globally@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/is-installed-globally/-/is-installed-globally-0.1.0.tgz#0dfd98f5a9111716dd535dda6492f67bf3d25a80"
+  dependencies:
+    global-dirs "^0.1.0"
+    is-path-inside "^1.0.0"
+
 is-js-type@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-js-type/-/is-js-type-2.0.0.tgz#73617006d659b4eb4729bba747d28782df0f7e22"
@@ -3657,6 +3910,12 @@ json5@^0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
+json5@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.1.tgz#779fb0018604fa854eacbf6252180d83543e3dbe"
+  dependencies:
+    minimist "^1.2.0"
+
 jsonfile@^2.1.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
@@ -3679,6 +3938,10 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.3.6"
 
+kind-of@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-1.1.0.tgz#140a3d2d41a36d2efcfa9377b62c24f8495a5c44"
+
 kind-of@^3.0.2:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.1.0.tgz#475d698a5e49ff5e53d14e3e732429dc8bf4cf47"
@@ -3704,6 +3967,12 @@ latest-version@^2.0.0:
   dependencies:
     package-json "^2.0.0"
 
+latest-version@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-3.1.0.tgz#a205383fea322b33b5ae3b18abee0dc2f356ee15"
+  dependencies:
+    package-json "^4.0.0"
+
 lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
@@ -3785,6 +4054,14 @@ loader-utils@^0.2.16:
     json5 "^0.5.0"
     object-assign "^4.0.1"
 
+loader-utils@^1.0.2:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.2.3.tgz#1ff5dc6911c9f0a062531a4c04b609406108c2c7"
+  dependencies:
+    big.js "^5.2.2"
+    emojis-list "^2.0.0"
+    json5 "^1.0.1"
+
 localtunnel@1.8.2:
   version "1.8.2"
   resolved "https://registry.yarnpkg.com/localtunnel/-/localtunnel-1.8.2.tgz#913051e8328b51f75ad8a22ad1f5c5b8c599a359"
@@ -3919,6 +4196,10 @@ lodash.isequal@^4.0.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.4.0.tgz#6295768e98e14dc15ce8d362ef6340db82852031"
 
+lodash.isequal@^4.4.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
+
 lodash.isfinite@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/lodash.isfinite/-/lodash.isfinite-3.3.2.tgz#fb89b65a9a80281833f0b7478b3a5104f898ebb3"
@@ -4089,6 +4370,12 @@ magic-string@^0.14.0:
   dependencies:
     vlq "^0.2.1"
 
+make-dir@^1.0.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
+  dependencies:
+    pify "^3.0.0"
+
 map-cache@^0.2.0:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
@@ -4213,7 +4500,7 @@ minimalistic-assert@^1.0.0:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimist@0.0.8, minimist@~0.0.1:
+minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -4225,6 +4512,10 @@ minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@~0.0.1:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+
 mixwith@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/mixwith/-/mixwith-0.1.1.tgz#c8995918c5b61fbfda9ad377a857cd47750541c0"
@@ -4286,6 +4577,10 @@ negotiator@0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
 
+neo-async@^2.6.0:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.1.tgz#ac27ada66167fa8849a6addd837f6b189ad2081c"
+
 nested-error-stacks@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/nested-error-stacks/-/nested-error-stacks-1.0.2.tgz#19f619591519f096769a5ba9a86e6eeec823c3cf"
@@ -4598,6 +4893,10 @@ osenv@0, osenv@^0.1.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
+p-finally@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
+
 p-limit@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
@@ -4617,6 +4916,15 @@ package-json@^2.0.0:
     registry-url "^3.0.3"
     semver "^5.1.0"
 
+package-json@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/package-json/-/package-json-4.0.1.tgz#8869a0401253661c4c4ca3da6c2121ed555f5eed"
+  dependencies:
+    got "^6.7.1"
+    registry-auth-token "^3.0.1"
+    registry-url "^3.0.3"
+    semver "^5.1.0"
+
 pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
@@ -4639,13 +4947,6 @@ parse-filepath@^1.0.1:
     map-cache "^0.2.0"
     path-root "^0.1.1"
 
-parse-gitignore@^0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/parse-gitignore/-/parse-gitignore-0.3.1.tgz#09adda265a4a5be2ce5e905b95a02f7f0e0044fa"
-  dependencies:
-    array-unique "^0.2.1"
-    is-glob "^2.0.1"
-
 parse-glob@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
@@ -4661,6 +4962,10 @@ parse-json@^2.1.0, parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-node-version@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
+
 parse-passwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
@@ -4767,6 +5072,10 @@ pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
+pify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+
 pinkie-promise@^2.0.0, pinkie-promise@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
@@ -4790,12 +5099,34 @@ pkg-dir@^1.0.0:
   dependencies:
     find-up "^1.0.0"
 
+pkg-dir@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
+  dependencies:
+    find-up "^2.1.0"
+
 pkg-up@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/pkg-up/-/pkg-up-1.0.0.tgz#3e08fb461525c4421624a33b9f7e6d0af5b05a26"
   dependencies:
     find-up "^1.0.0"
 
+pkg-up@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-up/-/pkg-up-2.0.0.tgz#c819ac728059a461cab1c3889a2be3c49a004d7f"
+  dependencies:
+    find-up "^2.1.0"
+
+plugin-error@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/plugin-error/-/plugin-error-0.1.2.tgz#3b9bb3335ccf00f425e07437e19276967da47ace"
+  dependencies:
+    ansi-cyan "^0.1.1"
+    ansi-red "^0.1.1"
+    arr-diff "^1.0.1"
+    arr-union "^2.0.1"
+    extend-shallow "^1.1.2"
+
 plur@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/plur/-/plur-2.1.2.tgz#7482452c1a0f508e3e344eaec312c91c29dc655a"
@@ -4880,7 +5211,7 @@ postcss-filter-plugins@^2.0.0:
     postcss "^5.0.4"
     uniqid "^4.0.0"
 
-postcss-load-config@^1.1.0:
+postcss-load-config@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/postcss-load-config/-/postcss-load-config-1.2.0.tgz#539e9afc9ddc8620121ebf9d8c3673e0ce50d28a"
   dependencies:
@@ -5041,7 +5372,7 @@ postcss-zindex@^2.0.1:
     postcss "^5.0.4"
     uniqs "^2.0.0"
 
-postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.8, postcss@^5.2.10, postcss@^5.2.13:
+postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0.14, postcss@^5.0.16, postcss@^5.0.2, postcss@^5.0.4, postcss@^5.0.5, postcss@^5.0.8, postcss@^5.2.13:
   version "5.2.14"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-5.2.14.tgz#47b4fbde363fd4f81e547f7e0e43d6d300267330"
   dependencies:
@@ -5050,6 +5381,14 @@ postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
+postcss@^6.0.0:
+  version "6.0.23"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
+  dependencies:
+    chalk "^2.4.1"
+    source-map "^0.6.1"
+    supports-color "^5.4.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -5395,10 +5734,6 @@ replace-ext@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
 
-req-all@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/req-all/-/req-all-0.1.0.tgz#130051e2ace58a02eacbfc9d448577a736a9273a"
-
 request@2, request@^2.61.0, request@^2.79.0:
   version "2.79.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
@@ -5555,9 +5890,13 @@ rx@4.1.0, rx@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/rx/-/rx-4.1.0.tgz#a5f13ff79ef3b740fe30aa803fb09f98805d4782"
 
-sanitize.css@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/sanitize.css/-/sanitize.css-4.1.0.tgz#0bafc3c513699f2fe8c7980c6d37edf21d3f5448"
+safe-buffer@^5.0.1:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+
+sanitize.css@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/sanitize.css/-/sanitize.css-5.0.0.tgz#84184b40678f72bb8898c768a27be7578257271a"
 
 sass-graph@^2.1.1:
   version "2.1.2"
@@ -5683,6 +6022,16 @@ sha.js@^2.3.6:
   dependencies:
     inherits "^2.0.1"
 
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
 shelljs@^0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.6.1.tgz#ec6211bed1920442088fe0f70b2837232ed2c8a8"
@@ -5699,7 +6048,7 @@ sigmund@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
 
-signal-exit@^3.0.0:
+signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
@@ -5794,9 +6143,9 @@ source-map-url@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.3.0.tgz#7ecaf13b57bcd09da8a40c5d269db33799d4aaf9"
 
-source-map@0.X, source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+source-map@0.X, source-map@^0.6.1, source-map@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
 source-map@^0.1.38:
   version "0.1.43"
@@ -5804,11 +6153,9 @@ source-map@^0.1.38:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
-  dependencies:
-    amdefine ">=0.0.4"
+source-map@^0.5.0, source-map@^0.5.1, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
 sparkles@^1.0.0:
   version "1.0.0"
@@ -5923,6 +6270,13 @@ string-width@^2.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^3.0.0"
 
+string-width@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
 string_decoder@^0.10.25, string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
@@ -5937,6 +6291,12 @@ strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   dependencies:
     ansi-regex "^2.0.0"
 
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  dependencies:
+    ansi-regex "^3.0.0"
+
 strip-bom-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom-stream/-/strip-bom-stream-1.0.0.tgz#e7144398577d51a6bed0fa1994fa05f43fd988ee"
@@ -5968,6 +6328,10 @@ strip-json-comments@~1.0.1, strip-json-comments@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
 
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+
 supports-color@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-0.2.0.tgz#d92de2694eb3f67323973d7ae3d8b55b4c22190a"
@@ -5982,6 +6346,12 @@ supports-color@^3.1.0, supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
+supports-color@^5.3.0, supports-color@^5.4.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  dependencies:
+    has-flag "^3.0.0"
+
 svgo@^0.7.0:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.1.tgz#287320fed972cb097e72c2bb1685f96fe08f8034"
@@ -6030,6 +6400,12 @@ tar@^2.0.0, tar@~2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+term-size@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/term-size/-/term-size-1.2.0.tgz#458b83887f288fc56d6fffbfad262e26638efa69"
+  dependencies:
+    execa "^0.7.0"
+
 ternary-stream@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/ternary-stream/-/ternary-stream-2.0.1.tgz#064e489b4b5bf60ba6a6b7bc7f2f5c274ecf8269"
@@ -6101,6 +6477,10 @@ timed-out@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-3.1.0.tgz#43b98b14bb712c9161c28f4dc1f3068d67a04ec2"
 
+timed-out@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
+
 timers-browserify@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.2.tgz#ab4883cf597dcd50af211349a00fbca56ac86b86"
@@ -6182,7 +6562,7 @@ ua-parser-js@0.7.12:
   version "0.7.12"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
 
-uglify-js@^2.6, uglify-js@^2.7.5:
+uglify-js@^2.7.5:
   version "2.7.5"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
   dependencies:
@@ -6191,6 +6571,13 @@ uglify-js@^2.6, uglify-js@^2.7.5:
     uglify-to-browserify "~1.0.0"
     yargs "~3.10.0"
 
+uglify-js@^3.1.4:
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.7.3.tgz#f918fce9182f466d5140f24bb0ff35c2d32dcc6a"
+  dependencies:
+    commander "~2.20.3"
+    source-map "~0.6.1"
+
 uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
@@ -6249,6 +6636,12 @@ unique-stream@^2.0.2:
     json-stable-stringify "^1.0.0"
     through2-filter "^2.0.0"
 
+unique-string@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unique-string/-/unique-string-1.0.0.tgz#9e1057cca851abb93398f8b33ae187b99caec11a"
+  dependencies:
+    crypto-random-string "^1.0.0"
+
 unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
@@ -6257,7 +6650,11 @@ unzip-response@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-1.0.2.tgz#b984f0877fc0a89c2c773cc1ef7b5b232b5b06fe"
 
-update-notifier@^1.0.0, update-notifier@^1.0.2:
+unzip-response@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-2.0.1.tgz#d2f0f737d16b0615e72a6935ed04214572d56f97"
+
+update-notifier@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-1.0.3.tgz#8f92c515482bd6831b7c93013e70f87552c7cf5a"
   dependencies:
@@ -6270,6 +6667,21 @@ update-notifier@^1.0.0, update-notifier@^1.0.2:
     semver-diff "^2.0.0"
     xdg-basedir "^2.0.0"
 
+update-notifier@^2.1.0:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-2.5.0.tgz#d0744593e13f161e406acb1d9408b72cad08aff6"
+  dependencies:
+    boxen "^1.2.1"
+    chalk "^2.0.1"
+    configstore "^3.0.0"
+    import-lazy "^2.1.0"
+    is-ci "^1.0.10"
+    is-installed-globally "^0.1.0"
+    is-npm "^1.0.0"
+    latest-version "^3.0.0"
+    semver-diff "^2.0.0"
+    xdg-basedir "^3.0.0"
+
 urix@^0.1.0, urix@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
@@ -6499,6 +6911,12 @@ widest-line@^1.0.0:
   dependencies:
     string-width "^1.0.1"
 
+widest-line@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/widest-line/-/widest-line-2.0.1.tgz#7438764730ec7ef4381ce4df82fb98a53142a3fc"
+  dependencies:
+    string-width "^2.1.1"
+
 window-size@0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
@@ -6549,6 +6967,14 @@ write-file-atomic@^1.1.2:
     imurmurhash "^0.1.4"
     slide "^1.1.5"
 
+write-file-atomic@^2.0.0:
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.4.3.tgz#1fd2e9ae1df3e75b8d8c367443c692d4ca81f481"
+  dependencies:
+    graceful-fs "^4.1.11"
+    imurmurhash "^0.1.4"
+    signal-exit "^3.0.2"
+
 write-json-file@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/write-json-file/-/write-json-file-2.0.0.tgz#0eaec981fcf9288dbc2806cbd26e06ab9bdca4ed"
@@ -6588,13 +7014,17 @@ xdg-basedir@^2.0.0:
   dependencies:
     os-homedir "^1.0.0"
 
+xdg-basedir@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-3.0.0.tgz#496b2cc109eca8dbacfe2dc72b603c17c5870ad4"
+
 xmlhttprequest-ssl@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
 
-xo-init@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/xo-init/-/xo-init-0.4.0.tgz#e92562e38117eb71e55b8d34ee2d006252a49d6a"
+xo-init@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/xo-init/-/xo-init-0.5.0.tgz#8e28dec79676cc5e042fde5fd8f710e2646b0e36"
   dependencies:
     arrify "^1.0.0"
     execa "^0.5.0"
@@ -6604,33 +7034,35 @@ xo-init@^0.4.0:
     the-argv "^1.0.0"
     write-pkg "^2.0.0"
 
-xo@^0.17.0:
-  version "0.17.1"
-  resolved "https://registry.yarnpkg.com/xo/-/xo-0.17.1.tgz#de65bc8120474fa76104f8a80b3b792d88c50ef6"
+xo@^0.18.0:
+  version "0.18.2"
+  resolved "https://registry.yarnpkg.com/xo/-/xo-0.18.2.tgz#92a42eb02a4fb149dfea5518021914f5aac84ff0"
   dependencies:
     arrify "^1.0.0"
     debug "^2.2.0"
     deep-assign "^1.0.0"
-    eslint "^3.6.0"
-    eslint-config-xo "^0.17.0"
+    eslint "^3.18.0"
+    eslint-config-xo "^0.18.0"
     eslint-formatter-pretty "^1.0.0"
-    eslint-plugin-ava "^3.1.0"
+    eslint-plugin-ava "^4.2.0"
     eslint-plugin-import "^2.0.0"
     eslint-plugin-no-use-extend-native "^0.3.2"
-    eslint-plugin-promise "^3.0.0"
-    eslint-plugin-unicorn "^1.0.0"
+    eslint-plugin-promise "^3.4.0"
+    eslint-plugin-unicorn "^2.1.0"
     get-stdin "^5.0.0"
     globby "^6.0.0"
     has-flag "^2.0.0"
+    ignore "^3.2.6"
+    lodash.isequal "^4.4.0"
     meow "^3.4.2"
     multimatch "^2.1.0"
-    parse-gitignore "^0.3.1"
     path-exists "^3.0.0"
     pkg-conf "^2.0.0"
     resolve-cwd "^1.0.0"
     resolve-from "^2.0.0"
-    update-notifier "^1.0.0"
-    xo-init "^0.4.0"
+    slash "^1.0.0"
+    update-notifier "^2.1.0"
+    xo-init "^0.5.0"
 
 "xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.0, xtend@~4.0.1:
   version "4.0.1"