"- Replaced some member attributes with local variables in Face record.
- Multitexture support in Vertex class.
- Renamed VertexList to VertexListRecord (VertexList is now a Vertex array)
- new Mesh (with reserved field at offset 12, thanks to Paul Martz)
- new LocalVertexPool
- new MeshPrimitive
- Use ProxyNode for externals.
- Local cache for externals"