Added a little more documentation.
Added a little more documentation.

tradej/urlgrabber,henrysher/urlgrabber,henrysher/urlgrabber,Distrotech/urlgrabber,oe-lite/urlgrabber,henrysher/urlgrabber,oe-lite/urlgrabber,Distrotech/urlgrabber,oe-lite/urlgrabber,Distrotech/urlgrabber,tradej/urlgrabber,Distrotech/urlgrabber,oe-lite/urlgrabber,henrysher/urlgrabber,tradej/urlgrabber