Hendrik Leppkes:
	- Optimize UpdateConfig
	- Small fixes.
	- Add support for changing color of out of range / out of mana indication.
	- Added ButtonFacade support.
	- Small fixes and utlity enhancements.
	- Add button show/hide and button grid event handling.
	- Added some plumbing for a button configuration interface.
	- Added OnUpdate for flashing and range coloring.
	- Added KeyBound-1.0 support.
	- Fixed drag'n'drop for action buttons.
	- Small formating fixups.
	- Added proper pickup in the insecure drag handler.
	- Fix itemid vs itemstring mixups.
	- Always clear the cursor, so it doesnt "hang" there even when pickup fails.
	- Small fixes.
	- Implemented a macro button (very basic functionality, only shows icon and macro text)
	- Implemented a item button.
	- Implemented insecure drag handlers (In Pre/PostClick) to allow clicking on buttons to drop of the action (out of combat only)
	- Refactored OnDragStart/OnDragReceive secure methods to allow callign them from insecure code.
	- Converted states to string instead of numbers ("vehicle" can be a state, instead of some opaque number)
	- Added lookup table for SpellBook Slot -> SpellId
	- Disabled pet type for now (non functional)
	- Added comment about library upgrading.
	- Removed another debug line.
	- Added an option to disable Drag'n'Drop of the buttons (for non-action buttons)
	- Apparently PickupSpell works with spellids instead of spellbook slots now.
	- Simplify updating after drag'n'drop
	- Fix button updating after drag'n'drop.
	- Update the button once after creation, and some comment updates.
	- Add two new generic spell events to the handler and remove an unused inventory one.
