GUtil.

Added some utility functions.
Shaders.

Added shaders. Not working yet.
Shader uniforms.

Shaders now work, added uniform vec4 support.
Vec2 uniform.

Added vec2 uniform support.
Render state.

Added render state support, not manipulation yet.
State manipulation.

Added model view and color manipulation.
App.Time.

Can now see how long the app is working.
Memory leak fix.

Collect unused OpenGL objects.