May as well be consistent with these annoying casts
Don't swap items when the destination can't go in the source location

Fixes #139.
De-animate dragonwater
Use pallet on the second tileset
Time emptiness from tile images
Merge pull request #146 from mccoyst/tile_tweaks

Tile tweaks
Merge pull request #145 from mccoyst/equip_crash

Equip crash