keep the bot connected while updating (WIP)
minor update
various improvements and bugyfixes
Increased stability and thread-safety
Add PostgreSQL support
Synchronize
Synchronize
Synchronize
Synchronize
Synchronize
Fix issue with uppercase nicks

Fix an issue where a 'this user is not registered' reply for a user with
a nickname containing uppercase characters would not be processed
properly.
Improve general stability
Improve code quality & structure
Improve format of some command replies
Improve plot function IronPython compatibility
Add some bug detection code

Prevents bot from crashing on two non-disruptive bugs, while also
providing the bot operator with more information about what causes those
bugs, as they seem to occur only rarely.
Merge pull request #1 from Baggerboot/dev

Merge dev into master