windows 15 vs. 16 wrong in windowed mode
windows should support desktop_color_depth() function
windows should support timeslice yielding
windows crash bug involving sub-bitmaps
clear bmp_id_locked during sub-bitmap creation
add caching system to speed up filename#object and load_datafile_object()
talk to Calin about merging latest P3D rendering stuff
native Mingw32 build
windows sample looping
