Unpfh v1.0

This physics file changes just the weapons and some ammo.

- Bullets are now faster thus harder hitting.

- Better assault rifle.

- Plasma Pistol uses Energix0rz batteries.

- Rocket launcher can shoot faster missiles, giving a deadlier impact!

- Flamethrower has a new second silent trigger.

- Alien weapon unchanged!!!

- Shotgun Sniper added to SMG.

- Walk around more like a man!

- Plus little details changed!

Read the read me for the complete list.