Merge pull request #41 from norman-thomas/dependabot/npm_and_yarn/eslint-5.9.0

Bump eslint from 4.19.1 to 5.9.0

Author: norman-thomas

package.json

@@ -36,7 +36,7 @@
   "devDependencies": {
     "chai": "^4.2.0",
     "coveralls": "^3.0.2",
-    "eslint": "^4.19.1",
+    "eslint": "^5.9.0",
     "eslint-config-airbnb-base": "^13.0.0",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-mocha": "^5.2.0",