added a silly readme
started adding some basic stuff
added a parser (untested)
got it to actually parse four_ls.bzw
refactored parsing to be more readable
made the parser fill a list of options
renamed bsflag.py to bsflag
added a simple run() function to create a stupid window
started playing with the background
started refactoring graphics into a separate file
added base drawing, which works
added missing python files (oops)
fixed World() for empty world
got wall drawing to work
fixed coordinate transform (since the y dimension is reversed in pixel space)
added a blit center function and added rotation (without transparency)
got rotation working by adding SRCALPHA
switched to using rectangles to blit from center
rewrote obstacles in terms of sprite objects
rewrote obstacles in terms of sprites