Added filtered tweets
privatized blacklist
Added in the whitelisted tweets
add support for grayList ('tweets')
Created the graylist of tweets
Removed redundant tests and added in 3 new ones
Made a minor refactor to makes the tests more consistent
Merge branch 'master' of https://github.com/DonAbney/pcaWinter2014
Merge branch 'master' into filteredtweets
Refactored some names based on code review
Merge pull request #7 from DonAbney/filteredtweets

Merged in the filteredtweets pull request