Created MobSpawnerEntity class.
Merge branch 'master' into MobSpawner
Implemented mob spawner.
Merge branch 'master' into MobSpawner

Conflicts:
	src/MobSpawner.h
	src/Mobs/Monster.h
Fixed compile errors.
Use std::thread
Merge branch 'master' of https://github.com/mc-server/MCServer
Migrated random generators to std::random
Migrated cSleep and cTimer to std::chrono
Merge branch 'master' of https://github.com/mc-server/MCServer
Use std::recusive_mutex
En masse NULL -> nullptr replace
Replace &*[0] accesses with .data()
Windows close handlers handles more closes
Compile fix?
Missing space fix.
Missing space.
Alignment.
Missing EOL.
Compile fix?