Added refresh rate acquisition. Changed OpenGL clear color to black. The default depth function is now GL_LEQUAL.
Added some simple typedefs for function pointers to make life easier.
Modified font rendering to make use of additive blending.
Added a simple uniform scaling method.
Skybox rendering now makes use of the display's default depth function.
Skybox rendering now makes use of the display's default depth function.
Updating Windows build.