World Game Update v0.0.1.12

Another update to World Game!

• Added Axes: This can be used to split wood blocks into slabs by right-clicking the blocks.
  • Stone Axe.
  • Copper Axe.
  • Iron Axe.
• Added Rock block. (Used for Stone Axe recipe; naturally generated)
• Added Drowning and Air Supply. (screen slowly fades out when drowning)
• Added Underwater Post Processing.
• You can no longer craft wood-based slabs within inventory in favor of making them by right-clicking the blocks with an axe.
• Fixed a bug where smelting progress was not resetting when taking out input items.
• [back-end] Redid how the chunks select features to generate, which should speed up world generation.
• [back-end] Created a list of texture strings to be loaded instead of being hardcoded.
• [back-end] Fixed naming of some properties within the LivingEntity class.

[back-end] = Features not added to the game, but is inside the game's code.

If you find any bugs, please report them. Have Fun! :)