Add ip_resolve option, because ipv6 is ugly and smells bad
Add ip_resolve option, because ipv6 is ugly and smells bad

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