Add Twitter Support & Other Changes

* Added twitter follow support (still missing triggers)

* added load/save tracking to GeckBot::PluginUtils

* Added passworded channel support

* Fixed bug in Timing system where all scheduled events would run on EVERY tick
	rather than their 15 second interval

* Fixed bug realted to !seen command mysql schema changes
Merge branch 'master' of https://github.com/MattDees/GeckBot