Create a set of helpers we can independently test.
Create a Response object for better fetching of those things
Test with mocha
Add mocha and chai to dev dependencies
Add cibuild
Fix bug in extractTweetId

Thank goodness for tests!
Finish testing extractTweetid
Tests for tweetOverflow!
Test accountIsSetup
Test tweetExists
Test errorMessage
better reporter
test buildResponse
Add travis file.
Register 'npm test' to run our cibuild script.
Test Response object
Add presentation methods
Merge pull request #15 from jhubert/halpers

Add a helpers module so we can more easily test