* **RegularGrid:** Added output of the attributes on the grid vertices. ([57ff461](https://github.com/Geode-solutions/OpenGeode-IO/commit/57ff4610d1db38365b15f728f069a75f252d663d))
* **Mesh:** output polygons for .obj and .ply ([97fa7f0](https://github.com/Geode-solutions/OpenGeode-IO/commit/97fa7f001e6c76bcad6d253d93fbc0cb850d0d03))