Adirelle:
	- Fixed typos and leaked globals.
	- Rewritten the equipment set filter to use only slot information so it doesn't depend on item links.
	- Fixed ticket #68.
	- Virtual stacks: fixed an issue with the bank and slightly modified the options.
	- Properly update the layout when resetting new item tracking.
	- One can now choose exactly what should be stacked or not when trading or talking to merchants.
	- Properly upgrade old settings when copying or switching profile.
	- Completed ToggleBackpack hook.
	- Do not stack normally unstackable item when trading (see ticket #67).
