diff --git a/package-lock.json b/package-lock.json
index f6d0c03..3d87ad7 100644
--- a/package-lock.json
+++ b/package-lock.json
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     },
-    "globby": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-5.0.0.tgz",
-      "integrity": "sha1-69hGZ8oNuzMLmbz8aOrCvFQ3Dg0=",
-      "dev": true,
-      "requires": {
-        "array-union": "^1.0.1",
-        "arrify": "^1.0.0",
-        "glob": "^7.0.3",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-          "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
-          "dev": true
-        }
-      }
-    },
     "got": {
       "version": "8.0.1",
       "resolved": "https://registry.npmjs.org/got/-/got-8.0.1.tgz",
@@ -1185,9 +1131,9 @@
       }
     },
     "has-flag": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-      "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
     "has-symbol-support-x": {
@@ -1253,9 +1199,9 @@
       "integrity": "sha512-oTZqweIP51xaGPI4uPa56/Pri/480R+mo7SeU+YETByQNhDG55ycFyNLIgta9vXhILrxXDmF7ZGhqZIcuN0gJQ=="
     },
     "ignore": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.7.tgz",
-      "integrity": "sha512-YGG3ejvBNHRqu0559EOxxNFihD0AjpvHlC/pdGKd3X3ofe+CoJkYazwNJYTNebqpPKN+VVQbh4ZFn1DivMNuHA==",
+      "version": "3.3.10",
+      "resolved": "https://registry.npmjs.org/ignore/-/ignore-3.3.10.tgz",
+      "integrity": "sha512-Pgs951kaMm5GXP7MOvxERINe3gsaVjUWFm+UZPSq9xYriQAksyhg0csnS0KXSNRD5NmNdapXEpjxG49+AKh/ug==",
       "dev": true
     },
     "ignore-walk": {
@@ -1352,30 +1298,6 @@
       "resolved": "https://registry.npmjs.org/is-object/-/is-object-1.0.1.tgz",
       "integrity": "sha1-iVJojF7C/9awPsyF52ngKQMINHA="
     },
-    "is-path-cwd": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-1.0.0.tgz",
-      "integrity": "sha1-0iXsIxMuie3Tj9p2dHLmLmXxEG0=",
-      "dev": true
-    },
-    "is-path-in-cwd": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz",
-      "integrity": "sha1-ZHdYK4IU1gI0YJRWcAO+ip6sBNw=",
-      "dev": true,
-      "requires": {
-        "is-path-inside": "^1.0.0"
-      }
-    },
-    "is-path-inside": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-1.0.1.tgz",
-      "integrity": "sha1-jvW33lBDej/cprToZe96pVy0gDY=",
-      "dev": true,
-      "requires": {
-        "path-is-inside": "^1.0.1"
-      }
-    },
     "is-plain-obj": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
@@ -1388,9 +1310,9 @@
       "dev": true
     },
     "is-resolvable": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.0.1.tgz",
-      "integrity": "sha512-y5CXYbzvB3jTnWAZH1Nl7ykUWb6T3BcTs56HUruwBf8MhF56n1HWqhDWnVFo8GHrUPDgvUUNVhrc2U8W7iqz5g==",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-resolvable/-/is-resolvable-1.1.0.tgz",
+      "integrity": "sha512-qgDYXFSR5WvEfuS5dMj6oTMEbrrSaM0CrFk2Yiq/gXnBvD9pMa2jGXxyhGLfvhZpuMZe18CJpFxAt3CRs42NMg==",
       "dev": true
     },
     "is-retry-allowed": {
@@ -1435,9 +1357,9 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.10.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.10.0.tgz",
-      "integrity": "sha512-O2v52ffjLa9VeM43J4XocZE//WT9N0IiwDa3KSHH7Tu8CtH+1qM8SIZvnsTh6v+4yFy5KUY3BHUVwjpfAWsjIA==",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
@@ -1565,9 +1487,9 @@
       "integrity": "sha1-TjNms55/VFfjXxMkvfb4jQv8cwY="
     },
     "lru-cache": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz",
-      "integrity": "sha512-q4spe4KTfsAS1SUHLO0wz8Qiyf1+vMIAgpRYioFYDMNqKfHQbg+AVDH3i4fvpl71/P1L0dBl+fQi+P37UYf0ew==",
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
+      "integrity": "sha512-sWZlbEP2OsHNkXrMl5GYk/jKk70MBng6UU4YI/qGDYbgf6YbP4EvmqISbXCoJiRKs+1bSpFHVgQxvJ17F2li5g==",
       "dev": true,
       "requires": {
         "pseudomap": "^1.0.2",
@@ -1608,9 +1530,9 @@
       }
     },
     "mimic-fn": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.1.0.tgz",
-      "integrity": "sha1-5md4PZLonb00KBi1IwudYqZyrRg=",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/mimic-fn/-/mimic-fn-1.2.0.tgz",
+      "integrity": "sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==",
       "dev": true
     },
     "mimic-response": {
@@ -1824,17 +1746,17 @@
       }
     },
     "optionator": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
-      "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
+      "integrity": "sha512-+IW9pACdk3XWmmTXG8m3upGUJst5XRGzxMRjXzAuJ1XnIFNvfhjjIuYkDvysnPQ7qzqVzLt78BCruntqRhWQbA==",
       "dev": true,
       "requires": {
         "deep-is": "~0.1.3",
-        "fast-levenshtein": "~2.0.4",
+        "fast-levenshtein": "~2.0.6",
         "levn": "~0.3.0",
         "prelude-ls": "~1.1.2",
         "type-check": "~0.3.2",
-        "wordwrap": "~1.0.0"
+        "word-wrap": "~1.2.3"
       }
     },
     "os-homedir": {
@@ -2027,9 +1949,9 @@
       "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
     },
     "progress": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
-      "integrity": "sha1-ihvjZr+Pwj2yvSPxDG/pILQ4nR8=",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.3.tgz",
+      "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
       "dev": true
     },
     "proxy-addr": {
@@ -2675,9 +2597,9 @@
       }
     },
     "which": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.0.tgz",
-      "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
         "isexe": "^2.0.0"
@@ -2691,10 +2613,10 @@
         "string-width": "^1.0.2 || 2"
       }
     },
-    "wordwrap": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
       "dev": true
     },
     "wrappy": {
diff --git a/package.json b/package.json
index 749e560..567d686 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "stream-buffers": "^3.0.1"
   },
   "devDependencies": {
-    "eslint": "^4.14.0",
+    "eslint": "^4.18.2",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.8.0"
   }
diff --git a/yarn.lock b/yarn.lock
index 8e4662a..dfea923 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -346,13 +346,7 @@ debug@2.6.9, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  dependencies:
-    ms "2.0.0"
-
-debug@^3.2.6:
+debug@^3.1.0, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   dependencies:
@@ -431,9 +425,9 @@ doctrine@1.5.0:
     esutils "^2.0.2"
     isarray "^1.0.0"
 
-doctrine@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.2.tgz#68f96ce8efc56cc42651f1faadb4f175273b0075"
+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"
 
@@ -519,9 +513,9 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-eslint@^4.14.0:
-  version "4.14.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.14.0.tgz#96609768d1dd23304faba2d94b7fefe5a5447a82"
+eslint@^4.18.2:
+  version "4.18.2"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.2.tgz#0f81267ad1012e7d2051e186a9004cc2267b8d45"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -529,7 +523,7 @@ eslint@^4.14.0:
     concat-stream "^1.6.0"
     cross-spawn "^5.1.0"
     debug "^3.1.0"
-    doctrine "^2.0.2"
+    doctrine "^2.1.0"
     eslint-scope "^3.7.1"
     eslint-visitor-keys "^1.0.0"
     espree "^3.5.2"
@@ -558,7 +552,7 @@ eslint@^4.14.0:
     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@^3.5.2:
@@ -783,18 +777,7 @@ gifencoder@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/gifencoder/-/gifencoder-1.1.0.tgz#50e7d98c4b0cf97edd0d885d7e1b997f88802de3"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.4"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-glob@^7.1.3:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.2, glob@^7.1.3:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   dependencies:
@@ -1141,14 +1124,10 @@ lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
 
-lodash@^4.17.11:
+lodash@^4.17.11, lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
 
-lodash@^4.17.4, lodash@^4.3.0:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
 long@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/long/-/long-4.0.0.tgz#9a7b71cfb7d361a194ea555241c92f7468d5bf28"
@@ -1913,7 +1892,7 @@ supports-color@^4.0.0:
   dependencies:
     has-flag "^2.0.0"
 
-table@^4.0.1:
+table@4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/table/-/table-4.0.2.tgz#a33447375391e766ad34d3486e6e2aedc84d2e36"
   dependencies: