Migrating SQLBooruTester to SQLBooruGUI in work
Booru class now implements IDisposable + Search functions
TagList control now working
Small changes
SQLBooruTester -> SQLBooruGUI
Renamed ImageViewer to PostViewer
Changed GUI main code a bit
Cleaned up SQLWrapper code
Connector dialog now has a "Console mode" switch
Cleaned up SQLQuerier, open it with "querier"
Updated constants