- is_coord_grid_equal(): added keyword 'tolerance'; added type hint and docstring
- is_point_on_grid(): added keyword 'tolerance'; added type hint and updated docstring

io.raster.GeoArray:
- GeoArray:
    - arr.setter: removed shape assertion -> not useful in combination with image warping
- BadDataMask and NoDataMask:
    -  __init__(): added pixel value validation
    - arr.setter: moved pixel value validation to _validate_array_values()
    - added _validate_array_values()

- updated __version__