Hotfix 1.5.40613

Fixed crash related to using traveling portals.
Fixed Nurrs not attacking walkers.
Fixed additional Nurr behaviors.
Fixed nurr doing infinite damage to walkers by getting stuck in legs.
Fixed issues with mobs sometimes being unresponsive.
Fixed damaging structures in rupu camps from large distance not having them attack the player.
Fixed Scattershot remaining in the air sometimes.
Fixed crashes related to weapons.
Fixed crashes related to ranged mobs.
Fixed crashes related to getting unsstuck.
Fixed crashes related to ground harvesting.
Fixed rupus damaging bases with throwing weapons like stones.