New in 0.50
+* HUD updates from Charlie Hotchkiss (ladder number rotate w/ ladder, control
+ position indicators are back)
+* Only draw the PUI cursor if Mesa/Glide/Fullscreen.
+* Added mipmapping.
+* Calculate the model view transformation matrix once per tile per iteration.
+ Then glLoadMatrixd() it for each fragment rather than calling push(),
+ translate(), pop().
+* Added a basic splash screen.
+* Added support for switching between fullscreen and window mode for
+ Mesa/3dfx/glide.
+* added an enable/disable splash screen option
+* added an enable/disable intro music option
+* added an enable/disable instrument panel option
+* added an enable/disable mouse pointer option
+* Ground collision detection. You can now land or test for collision with
+ any scenery surface.
New in 0.49
* Managment of multiple textures