Version 0.5a Released

Version 0.5a was just released. This update adds the following improvements:

-Adjusted gun position
-Adjusted fire position
-Changed loading screen
-Added lighting to new level
-Enemies now have gun models
-Adjusted enemy view distance
-Enemies will notice the player if they are shot, regardless of whether you are within range
-The enemies on the title screen now point towards the camera
-The title screen now has proper lighting