change wps3.py header commentary from WPS 0.4.0 to WPS 1.0.0 and correct some spelling mistakes
change wps3.py header commentary from WPS 0.4.0 to WPS 1.0.0 and correct some spelling mistakes

geopython/pywps,jachym/PyWPS,jonas-eberle/pywps,ricardogsilva/PyWPS,bird-house/PyWPS,tomkralidis/pywps,ldesousa/PyWPS