More bug fixes, and bringing Linux+Mac versions up-to-date.
Fixes
Crash when wraiths have no target
Player is annihilated upon entering a floor in a snowdrift
Humanoids trying to chase through locked doors constantly jiggle the doorknob loudly
AI_action_backhop crash
Energy bar looks weird when you changing to equipment with less MAG
Regeneration overwrites owl wings when flying
Ceiling spikes draw beneath jump-thru platforms in the AC
Lava bridges are now destroyed when lava loses it heat (Reaper fight, siphon, etc)
Pressing select+cancel at the same time over a gravestone select backs to class select but still shows the custom kid dialog
Backing out of kid select shows particles for destroyed mana batteries
Shopkeepers get mad at you if you're infected with any plague flies
Pressing select+cancel at the same time on the level-up screen levels the selected stat without advancing its tier
Flame cone traps shoot at the wrong angle
Crash when going through the tank door in co-op