Merge pull request #2 from mkeeneth/refactor-add-tests

Refactor, add tests and organize project structure

Author: mkeeneth

.travis.yml

@@ -0,0 +1,12 @@
+language: node_js
+node_js:
+  - "node"
+  - "10"
+  - "8"
+cache:
+  directories:
+    - node_modules
+script:
+  - npm test
+after_script: # Upload coverage reports
+  - COVERALLS_REPO_TOKEN=$coveralls_repo_token npm run coveralls