Added 'flag' parameter to GeoArray.calc_nodata_mask() + tests. Fixed type...

Added 'flag' parameter to GeoArray.calc_nodata_mask() + tests. Fixed type hints and some issues in test_geoarray.py.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
2 jobs for feature/add_nodata_flagalg in 37 seconds (queued for 2 seconds)