Added ImageItem.reloadImagePoolFrames function to reset Trim / Inner Padding. Split BasePacker.pack into two parts to treat image pool reset as "synchronous". Replaced several errant "this" references in BasePacker.pack with "self".
Added ImageItem.reloadImagePoolFrames function to reset Trim / Inner Padding.
Split BasePacker.pack into two parts to treat image pool reset as "synchronous".
Replaced several errant "this" references in BasePacker.pack with "self".

groundh0g/FannyPack,groundh0g/FannyPack,groundh0g/FannyPack,groundh0g/FannyPack