Tweet class
Merge branch 'master' of github.com:DonAbney/pcaWinter2014
refactor expected exception in TweetTest
refactor of method to a more groovy way of coding
Merge branch 'refactor.isHandleInList'
Removing setHashtags method that was causing issues with constructing Tweet instances with lists of hashtags
Merge branch 'master' of https://github.com/donAbney/pcaWinter2014 into card-64
Card-64 Built member of TweetDisplay class to take a single tweet and build a div as a string.  Green
Tweets converted to HTML now contain the twitter handle as well as the text