Added postgres migraions and support for recording the received tweets into postgres.
Bugfix: The first two paramaters on store_received_tweet were flipped.
Fixed the insert parameters.
Bugfix: text was being referenced before it was assigned.
Got rid of the debug message and fixed the subject reference for tweets that fail whitelisting.
Fix for the same issue as last time. Not with it tonight it seems.
Added more sources to the whitelist.