Version 0.0.7

-> Fixed up ship classes
-> Implemented MyFont class for quick font rendering
-> Removed sos import and moved files outside of package
-> Added instructions to start screen
-> Made it so it shows bullets and special shots on mouse down events
during start screen (instruction) phase
-> Added bullet and special shot classes
-> Added primary and secondary weapon sfx and gfx
-> Added a class called Projectile above missile and bullet
-> Set up stage one (no enemies currently)