Hotfix 0.54a

Thanks for playing the new levels!

Here's a couple of fixes for version 0.54a:

• fixed pike that came out of water in level 11

• outhouse states are now saved

• fixed issues related to switching some SISU weapons

• fixed texture and collision issues in level 12

• adjusted some acid pools in level 12

• added collision to Antero's hearts

• adjusted Mecha-Goblin stats + made them give armor when killed with SISU

• fixed level 13 "death ladder"

• minor texture updates