Removed: Debug, since
https://github.com/MinecraftPortCentral/MCPC-Plus/issues/1272 should
work now when the ID hash is changed to positive numbers only
Added: Basic implementation of spawning a MonsterSpawner on rightclick
with an egg
Added: Fallback spawn with EntityType (see
https://github.com/MinecraftPortCentral/MCPC-Plus/issues/1272#issuecomment-19643019)