Celestial

Fixes and changes a few things. Will probably be the last update before the new equation parsing system is implemented.

Changelog:

• Fixed fog not working correctly in certain scenarios

• Renamed #getTotalTime to #getGameTime

• Renamed #yaw to #headYaw

• Renamed #pitch to #headPitch

• Added #getWorldTime, which returns the total time a world has been active for

• Added #biomeTemperature, which returns the current biome's temperature

• Added #biomeDownfall, which returns the biome's humidity

• Added #biomeHasSnow, which returns if the biome has snow