BUILD2 Demo and Tools

>Here are some new features of BUILD2 over the classic Build Engine:

Native Windows, 32-bit color, 6 degrees of freedom, pure CPU rendering Native support for sector over sector (SOS). Advanced lighting system with true dynamic shadows, colors, spotlights. Multi-user editing with client-side prediction. Powerful scripting compiler in EVALDRAW. Full RGB color mapping. Voxel sprite support. Skybox support. No sector/wall/sprite count limits.