* new signals for resting and stop pulling
these are to be used as signals that will cancel the coiling
* Create coiling.dm
* Update coiling.dm
* adds sprite accessory for coiled naga
* main changes that apply the actual visuals to the coiling mechanics
* adds message to coiling, fixes offset, adds action icon
* coil offset was using old direction
* reordering
* fixes coil sprite not disappearing
* fixes offsets, solves loadout issue
* follows lin's suggestion and adds support for slimes by making it entirely handled in handle mutant
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