This update fixes (hopefully) the research bugs that were present. Any other bug please report it to me.

Following is a list of weapons and their new required research.
Advanced Launchers
- Rocket Launcher

Launchers
- Flamethrower
- Grenade Launcher

Precision Rifling
- Anti-Materiel Rifle
- Carbine
- Heavy Machine Gun [HMG]
- Marksman Rifle

Gas Operation
- Semi Automatic Rifle
- Sub Machine Gun [SMG]

Blowback Operation
- Combat Pistol
- Light SMG

Gunsmithing
- Hand Cannon
- Lever Action Rifle
- Sawed Off