### Proposed new feature or change: Support exclusive grid indexing through `Grid.isel` This method should attempt to return a UGRID-complient grid (i.e. at least one face) with no degenerate elements (a.k.a stray nodes or edges)
Proposed new feature or change:
Support exclusive grid indexing through
Grid.iselThis method should attempt to return a UGRID-complient grid (i.e. at least one face) with no degenerate elements (a.k.a stray nodes or edges)