World Game Update v0.0.0.7

Another update to World Game!

• Added idle/standing animation when not moving.
  
• Added ToolTips to Inventory.
• Added currently existing blocks to inventory.
• Added clamp to head pitch on Test Entity.
• Added texture to Test Entity and player.
• You can now select blocks from inventory.
• Test Entity will now spawn facing a random direction.
• [back-end] Fixed a lot of backend inventory code to have a somewhat functioning inventory.

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

Please if you find any bugs, report it. Have Fun! :)