TODO

# Status of topology functions (X = done)

lwt_CreateBackendIface X
lwt_BackendIfaceRegisterCallbacks X
lwt_FreeBackendIface  X
lwt_LoadTopology      X
lwt_FreeTopology      X
lwt_AddIsoNode        X
lwt_AddEdgeModFace    X
lwt_AddEdgeNewFaces   X
lwt_ModEdgeSplit      X
lwt_NewEdgesSplit     X

lwt_AddIsoEdge        X
lwt_GetFaceGeometry   X
lwt_GetFaceEdges      X
lwt_ChangeEdgeGeom    X
lwt_RemoveIsoNode     X
lwt_RemoveIsoEdge     X
lwt_MoveIsoNode       X
lwt_RemEdgeModFace    X
lwt_RemEdgeNewFace    X
lwt_ModEdgeHeal       X
lwt_NewEdgeHeal       X

lwt_GetFaceByPoint    X
lwt_GetNodeByPoint    X
lwt_GetEdgeByPoint    X
lwt_TopoGeo_AddPoint  X
lwt_TopoGeo_AddLineString X
lwt_TopoGeo_AddPolygon X