Build 24725071

- Optimized bullets with a complete system overhaul, after some performance profiling I learned that bullets were causing a huge performance problem which is now fixed.
- Fixed achievements not displaying till end of game, they now display as soon as you complete an achievement.
- Fixed Twin Shot Tonic perk.
- Fixed Akimbo weapon upgrading, no longer shows one of the weapons stuck in your hand when upgrading Akimbo weapons at the Teslectrifier.
- Fixed weapon audio sometimes not playing a fire sound when moving between indoor/outdoor environments.
- Fixed Zombie sounds, zombies now play audio properly.
- Fixed Highest Combo stat not updating.