Refactor Entity and Mob to deal with instance variabels, and make Player a Mob
Separate create() and initialise() on objects
Centralise resource loading
Make bullets into objects, fix issue where all classes share values (in a very hacky way)
Abstract out the object creation code, and document the object system
Change window size
Load audio and background images
Remove unnecessary stubs, move player.keypressed to main
Change text colour of stats to black
Add enemy class, and an example enemy
Split out game state to separate module
Implement unpausing
Documtnation change
Rewrite README
Created globals module for global configuration
moved screen dimensions and keymap to this file