- fix the totally broken difficulty mod
- scoring
- coins
- pills
- use pygame to add background music
- speed increase with time/score increase
- add scoring
- add ghosts (try and use ghost unicode char) - just obstacles for now
- add YomYom flash for 100pts
- add powerpill horrendous strobe for eating ghosts
- add simple procedural maze generation at higher difficulties (blocks movement, pushes character back in x)
- moving ghosts
- moving ghosts - DONE
- basic game with gameover on collision! - DONE
- animated immobile ghosts, spawning at random - DONE
- add playgrid horizontal margin with cycling 2 colour oscillation to give sense of movement - DONE