Few fixes/changes

Fixes #12 - ClanHQ hospitals are now only accessible by robed clan members 
Fixes #13 - Impedimenta and Swamp can now co-exist
Fixes #10 - Changed entering/exiting desert
Fixes #26 - Disperse and Eat Slugs now give spell points when you re-learn them
Fixes #31 - Create()ed monsters now respawn
Fixes #33 - Added graphical timer to duel mat
Fixes #34 - Can no longer get doors to close on you by moving in and out quickly
Fixes #35 - Leaving vaults will not unload custom maps
FloodFill can now fill areas on turf regions