- geotransform2mapinfo(): bugfix

geo,projection:
- WKT2EPSG(): added type assertion
- modified assertion message

io.raster.GeoArray.GeoArray:
- arr.setter: better assertion message
- projection.setter: modified assertion (now more robust)
- mask_nodata(): bugfix for not setting projection properly
- mask_baddata(): bugfix for not setting projection properly
- added __setitem__() to overwrite pixel values with a given array
- __getattr__(): bugfix
- calc_mask_nodata(): bugfix
- set_gdalDataset_meta(): read projection is now extra validated
- from_path: added TODO
- _get_plottable_image(): bugfix
- to_disk(): now sets _arr directly

io.raster.GeoArray.BadDataMask:
- __init__(): bugfix

io.raster.GeoArray.NoDataMask:
- __init__(): bugfix; added TODO

- added class 'CloudMask'

- updated __version__