Post jam update #1

Patch notes:

- Added new raccoon textures, this will make them more raccoon like!

- Replaced the prototype wall textures with brick textures.

- Made the enemy raccoons spawn in dumpsters, just like real raccoons.

- Fixed a bug where pistol shots would not hit enemies point blank.

- Fixed a bug where every wave after wave 5 would spawn just 6 zombie raccoons.

- Some more stuff.