compatibility.python.exceptions:
- added FileNotFoundError

geo.raster.conversion:
- raster2polygon:
    - added keywords 'DN2extract' and 'maxfeatCount'
    - added dissolving of multiple little polygons within result vector layer to one multipart polygon

geo.vector.topology:
- added polyVertices_outside_poly()

io.raster.GeoArray:
- footprint_poly: added assertion and modified call of raster2polygon
- added footprint_poly setter

processing.process_mon:
- revised is_timed_out()