polyop.isMeshFilledIn <Poly poly>
Returns true if all topological links such as, the list of edges are complete for the poly.
polyop.fillInMesh <Poly poly>
Recomputes the internal MNEdges and MNFace::edg , MNVert::edg , and MNVert::fac lists based on the information in the MNFace::vtx lists .