added documentation for Download#save! #300
added documentation for Download#save! #300

flavorjones/mechanize,eligoenergy/mechanize,bugmelody/mechanize,gchan/mechanize,jeremiahmarks/mechanize,jeremiahmarks/mechanize,uksa/mechanize,sparklemotion/mechanize,uksa/mechanize,pwnall/mechanize,gchan/mechanize,sjchakrav/mechanize,sjchakrav/mechanize,sparklemotion/mechanize,bugmelody/mechanize,eligoenergy/mechanize,pwnall/mechanize