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* fixed pricing on weapons with 0 min damage (FloodSpectre)
* increased difficulty of higher difficulties
* fixed Cave Fish plural (Colonel Blimp)
* food and potions are no longer ever considered crappy (Archon/Amberjoy)
* added uvMod Rotate
* changed stairs up/down graphics on mini map & world map to arrows so they are easier to see (Oasisbhrnw)
* fixed a collision mask issue in canReservePosition
