Pre-Alpha Update 1.4.0

This update focuses mostly on fleshing out the video store map visually along with some bug fixes and general tweaks. Multiplayer will officially support up to 4 players and is still in early testing.

Changes

- Video Store Map Pass, mostly focusing on the environment and lighting but also added a truck the player can jump onto from the roof.
- Added a basic lobby for multiplayer.
- Added four playable characters that are chosen depending on when each player joins. (Host will always be the same.)
- Fixed a bug when reloading and picking up another weapon.
- Improved AI navigation and logic on the video store map in hopes to lower the chances of a zombie getting stuck on the roof.
- Minor networking improvements to shooting and reloading.
- Minor tweaks to weapon placement in player hands.
- And various other minor tweaks and hopefully fixes.