first commit
C-style comments
cleanup
fix test sprite cell/size dimensions -- texture mapping now works
cleanup test code
cleanup
added messaging system, sprite removal
test
cleanup
bring player to front
use glfw3
better Vec2 initializer
free() some stuff
add notes
add todo about c99 cleanup
move system stuff into system.h/system.c
check messages and update in one system_* function
ignore all.h temporary file
use stdbool.h
add list of systems to notes