Add a load of rewriting

Adding a player module, and a stage module
Add routine to put chest on screen

a some other re-writing stuff...
Make the chest collideable

... is that even a word..?
Add rough sketch for score module
Implement working score module
Add _
Add _Scroller to chest loop manager
Rename chest related constants
Reformat chest module according to new style
Add GetGoldPoints routine (pick up chest = points)
Rename thugStat to ThugState
Merge pull request #18 from hang-on/player-module

Player module