updated changelog for #317
updated changelog for #317

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