Updated to Alpha 3

Finally Alpha 3 is finished, and it changes this already very original game. Here is the stuff it adds:

Additions:

- Lighting system
- More optimized block rendering
- World save system
- Ladders
- Pigs, Zombies, and Skeletons
- Day/Night cycle
- Reworked hunger system
- Raw/Cooked pork chops
- Saplings
- Ability to swim in water
- Sound effects
- Doors

Bug Fixes

- Fixed right clicking anywhere in inventory also clicking the crafting output
- Fixed chunks loading in the middle of the world even if the player is not there
- Fixed furnace using fuel even if it is smelting after reloading the world

Have fun playing this Pro Free pixel block crafting game in Alpha 3!