fix(dependency): updated dependencies

Author: Halceyon

.travis.yml

@@ -24,6 +24,7 @@ after_success:
   - npm run coveralls
   - bash <(curl -s https://codecov.io/bash)
   - npm run semantic-release
+  - npm publish
 branches:
   except:
     - /^v\d+\.\d+\.\d+$/

package.json

@@ -49,7 +49,7 @@
     "chai": "^4.0.0-canary.1",
     "coveralls": "^3.0.3",
     "del": "^3.0.0",
-    "eslint": "^5.16.0",
+    "eslint": "^4.9.0",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-plugin-import": "^2.9.0",
     "istanbul": "^1.1.0-alpha.1",