V1.3.3 - Audio Issues + Further Optimization

Changelog:
- Changed gun shot audio on SCAR
- Changed gun shot audio on SAWED OFF
- Changed gun shot audio on SPAS
- Changed gun shot audio on M31L
- Fixed issue on Survivalist Warehouse Map
- Fixed SCAR not appearing in Assault Rifle slot in Create a Class.

* Still looking into the stuttering issue some players are receiving.