added handling of SIGWINCH
fixed input of recieving SIGIO while handling SIGIO
corrected input code for return
uncommented normal calculation to models
exiting when virtual screen size is larger than regular size doesn't corrupt screen.
colormap is reset when using stdin input on exit.
return is not reported as ctrl-m but '\r' as it should be
backspace keycode was incorrect and not working, fixed
Fully implemented glutGameMode, and added vidresize stubs to make
Added support for glutReshapeDisplay to change video mode but not lose
current mesa context.
implementation glut 5 complient.
Fixed many minor bugs
Updated docs
Added gamemode stubs, iconify support, joystick stubs.
Fixed color index mode, added 8 bit alpha blending, enabled cmaps even
with 15, 16, 24, and 32 depths as some fbdev drivers need this.
Fixed compiling with -ansi
Using SIGIO for keyboard input, so that vt switching is enabled even
if the program is locked.
Fixed numerous small bugs.
