Make public the general [dataset comparison function](https://github.com/pp-mo/ncdata/blob/c0c850c8433c8bbb63900747c03af0a17e2f9a77/tests/_compare_nc_datasets.py#L21). Probably to include: * move it from tests to the main 'ncdata' package. * explain (document) attribute comparison mechanisms * create CLI ?
Make public the general dataset comparison function.
Probably to include: