Added call tracing in ShowWnd and HideWnd to assist with driver fault debugging.
Added support for OpenGL lighting in polygon/wireframe mode (this adds specular lighting).
Added frame timer using GetTickCount.
Added more toolbar/menu options (skybox button, fog colour menu option).
Added call list support to CsMesh (on by default).
Added normal coordinate support to CsMesh.
Converted CsBox, CsCylinder and CsCone to have base class of CsMesh, with quadric-like generation methods.
Added vertex normals to CsBox and CsCylinder primitives.