Version 0.0.3

• Fixed Minigun Sounds
• Added tracers
• Optimised the zombies ragdoll
• Fixed the zombies killing each other
• Fixed the number of zombies left not showing the correct value
• increased the number of zombies on screen
• fixed buying weapons
• fixed zombies blocking explosions
• added bullet penitration (goes through one wall or person)
• minigun is now priced at 10000