diff --git a/package.json b/package.json
index 604ec84..f21f6a9 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "babel-preset-es2015": "^6.18.0",
     "copy-webpack-plugin": "^4.0.0",
     "css-loader": "^0.28.7",
-    "eslint": "^4.6.1",
+    "eslint": "^4.18.2",
     "eslint-config-airbnb": "^15.1.0",
     "eslint-config-airbnb-base": "^12.0.0",
     "eslint-loader": "^1.6.1",
diff --git a/yarn.lock b/yarn.lock
index 56e76e0..df30f8e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -37,33 +37,33 @@ acorn@^5.0.0:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.1.1.tgz#53fe161111f912ab999ee887a90a0bc52822fd75"
 
-acorn@^5.1.1:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.1.2.tgz#911cb53e036807cf0fa778dc5d370fbd864246d7"
-
-ajv-keywords@^1.0.0:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
+acorn@^5.5.0:
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
 
 ajv-keywords@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.0.tgz#a296e17f7bfae7c1ce4f7e0de53d29cb32162df0"
 
-ajv@^4.7.0, ajv@^4.9.1:
+ajv-keywords@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
+
+ajv@^4.9.1:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^5.0.0, ajv@^5.1.5, ajv@^5.2.0:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.2.2.tgz#47c68d69e86f5d953103b0074a9430dc63da5e39"
+ajv@^5.0.0, ajv@^5.1.5, ajv@^5.2.3, ajv@^5.3.0:
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
   dependencies:
     co "^4.6.0"
     fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
-    json-stable-stringify "^1.0.1"
 
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
@@ -275,15 +275,7 @@ axobject-query@^0.1.0:
   dependencies:
     ast-types-flow "0.0.7"
 
-babel-code-frame@^6.11.0, babel-code-frame@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
-  dependencies:
-    chalk "^1.1.0"
-    esutils "^2.0.2"
-    js-tokens "^3.0.0"
-
-babel-code-frame@^6.26.0:
+babel-code-frame@^6.11.0, babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
@@ -984,7 +976,7 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
+chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
@@ -994,15 +986,7 @@ chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.0.0, chalk@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.0.1.tgz#dbec49436d2ae15f536114e76d14656cdbc0f44d"
-  dependencies:
-    ansi-styles "^3.1.0"
-    escape-string-regexp "^1.0.5"
-    supports-color "^4.0.0"
-
-chalk@^2.1.0:
+chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.1.0.tgz#ac5becf14fa21b99c6c92ca7a7d7cfd5b17e743e"
   dependencies:
@@ -1451,6 +1435,12 @@ debug@2.6.8, debug@^2.2.0, debug@^2.6.6, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
+debug@^3.1.0:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  dependencies:
+    ms "^2.1.1"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1570,12 +1560,11 @@ doctrine@1.5.0:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
-doctrine@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
+doctrine@^2.0.0, doctrine@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
   dependencies:
     esutils "^2.0.2"
-    isarray "^1.0.0"
 
 dom-converter@~0.1:
   version "0.1.4"
@@ -1869,32 +1858,36 @@ eslint-scope@^3.7.1:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@^4.6.1:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.6.1.tgz#ddc7fc7fd70bf93205b0b3449bb16a1e9e7d4950"
+eslint-visitor-keys@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
+
+eslint@^4.18.2:
+  version "4.18.2"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.2.tgz#0f81267ad1012e7d2051e186a9004cc2267b8d45"
   dependencies:
-    ajv "^5.2.0"
+    ajv "^5.3.0"
     babel-code-frame "^6.22.0"
     chalk "^2.1.0"
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
-    debug "^2.6.8"
-    doctrine "^2.0.0"
+    debug "^3.1.0"
+    doctrine "^2.1.0"
     eslint-scope "^3.7.1"
-    espree "^3.5.0"
+    eslint-visitor-keys "^1.0.0"
+    espree "^3.5.2"
     esquery "^1.0.0"
-    estraverse "^4.2.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
     functional-red-black-tree "^1.0.1"
     glob "^7.1.2"
-    globals "^9.17.0"
+    globals "^11.0.1"
     ignore "^3.3.3"
     imurmurhash "^0.1.4"
     inquirer "^3.0.6"
     is-resolvable "^1.0.0"
     js-yaml "^3.9.1"
-    json-stable-stringify "^1.0.1"
+    json-stable-stringify-without-jsonify "^1.0.1"
     levn "^0.3.0"
     lodash "^4.17.4"
     minimatch "^3.0.2"
@@ -1902,20 +1895,20 @@ eslint@^4.6.1:
     natural-compare "^1.4.0"
     optionator "^0.8.2"
     path-is-inside "^1.0.2"
-    pluralize "^4.0.0"
+    pluralize "^7.0.0"
     progress "^2.0.0"
     require-uncached "^1.0.3"
     semver "^5.3.0"
     strip-ansi "^4.0.0"
     strip-json-comments "~2.0.1"
-    table "^4.0.1"
+    table "4.0.2"
     text-table "~0.2.0"
 
-espree@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.0.tgz#98358625bdd055861ea27e2867ea729faf463d8d"
+espree@^3.5.2:
+  version "3.5.4"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
   dependencies:
-    acorn "^5.1.1"
+    acorn "^5.5.0"
     acorn-jsx "^3.0.0"
 
 esprima@^2.6.0:
@@ -1939,7 +1932,7 @@ esrecurse@^4.1.0:
     estraverse "^4.1.0"
     object-assign "^4.0.1"
 
-estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
@@ -2070,6 +2063,10 @@ fast-deep-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
 
+fast-json-stable-stringify@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -2377,7 +2374,11 @@ global@^4.3.2:
     min-document "^2.19.0"
     process "~0.5.1"
 
-globals@^9.0.0, globals@^9.17.0, globals@^9.18.0:
+globals@^11.0.1:
+  version "11.12.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-11.12.0.tgz#ab8795338868a0babd8525758018c2a7eb95c42e"
+
+globals@^9.0.0, globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
@@ -2975,6 +2976,10 @@ json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+
 json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -3361,6 +3366,10 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+
 multicast-dns-service-types@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"
@@ -3832,9 +3841,9 @@ pkg-dir@^2.0.0:
   dependencies:
     find-up "^2.1.0"
 
-pluralize@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-4.0.0.tgz#59b708c1c0190a2f692f1c7618c446b052fd1762"
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
 
 portfinder@^1.0.9:
   version "1.0.13"
@@ -4642,9 +4651,11 @@ slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
 
-slice-ansi@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
+slice-ansi@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-1.0.0.tgz#044f1a49d8842ff307aad6b505ed178bd950134d"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
 
 sntp@1.x.x:
   version "1.0.9"
@@ -4790,7 +4801,7 @@ string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0, string-width@^2.1.0:
+string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
@@ -4875,16 +4886,16 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
-table@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/table/-/table-4.0.1.tgz#a8116c133fac2c61f4a420ab6cdf5c4d61f0e435"
+table@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
   dependencies:
-    ajv "^4.7.0"
-    ajv-keywords "^1.0.0"
-    chalk "^1.1.1"
-    lodash "^4.0.0"
-    slice-ansi "0.0.4"
-    string-width "^2.0.0"
+    ajv "^5.2.3"
+    ajv-keywords "^2.1.0"
+    chalk "^2.1.0"
+    lodash "^4.17.4"
+    slice-ansi "1.0.0"
+    string-width "^2.1.1"
 
 tapable@^0.2.7:
   version "0.2.8"