Added a basic class to deal with a Tweet
Changed Name to StreamMessage as it might not hold Tweet Data
Added type detection for tweets
Added more pythonic key detection
Added proper error checking for the exception handling
Added ability to pass tweet object as a dict instead of json string
Added function to get a list of hashtags
Added a method to add sample hashtag data to the database
Added disconnect message to the get_type() function
Added ability to choose how it deals with disconnected messages
Added checks for duplicate hashtags and not cause errors
Added a file to save hashtag information to the database