API spelling correction

[RMTEW FULL NAME]

inherant -> inherent

[RMTEW FULL NAME]

Percieves -> Perceives

D:\VCS\GIT\Roguelike\incursion-roguelike\inc\Api.h(349):system uint16 T_CREATURE::Percieves(hObj:T_THING); D:\VCS\GIT\Roguelike\incursion-roguelike\inc\Api.h(382):system int16 T_CREATURE::SpellRating(rID eID,int32 mm=0,bool percieved=false);

[K M]

Breech of code -> breach of code (I noticed it in Fight.cpp several times, enough to make me go berserk as an English major)

[RMTEW FULL NAME]

thats not in the api function names the modules use to call back into the game engine

[RMTEW FULL NAME]

Fix spelling mistakes ('breech'->'breach', 'percieve'->'perceive', 'inherant'->'inherent'). Fixes #11

→ <<cset f51e81462d8b>>