Fixed sound bugs and updated some sounds.

Another sound update:

All firing sounds come straight from Magmacow's many sound compilations.

Huge sound overhaul (Basically a revised version)

All firing sounds come straight from Ivanderbar's PAY4Dead2 sound mod (was not aware the ones I used were edits from Kreeze)
Most Miscellanneous SFX have been replaced by ones from Magmacow and Navaro
There is very little of yoru's sfx, but I give credit regardless
Most, if not all of Kreeze's sfx have been removed or replaced