Plague 3.06 - now with no memory leak

• Eval is evil – it has a “memory leak” and its not as fast as a lambda function
  
• removed eval from entire code base (whew!)
  
• set battle game scale to 1 so players knew that there was a game to play (it was too zoomed out)
  
• made zombie_massive more red to distinguish from zombie_fast and made it larger
  
• increased sight radii to tempt players to zoom out
  
• changed control scheme (mouse wheel weapons and QE zoom) – see instruction help page for more information
  
• changed zombie_massive health from 5000 to 2000