WowAce

Adirelle:
    - 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).