Merge pull request #28 from norman-thomas/dependabot/npm_and_yarn/eslint-4.19.1

Bump eslint from 3.19.0 to 4.19.1

Author: norman-thomas

package.json

@@ -36,7 +36,7 @@
   "devDependencies": {
     "chai": "^3.5.0",
     "coveralls": "^2.11.15",
-    "eslint": "^3.13.1",
+    "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^11.0.1",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-mocha": "^4.8.0",