remove obsolete cross compiler script
visiblematerial fixes
rhquad fix
remove unused vec ops
vformatstring usage
typo fix
KMOD_?META -> KMOD_?GUI
initialize SDL_TimerID to 0 instead of NULL
support for explicit model transparency
remove broken model alpha blending
toggle gl errors with a var
gcc warning fixes
fix missing ref
addreleaseaction fix
rename varray to gle (a.k.a. glemu)