Return true for any 2xx HTTP response status
Return true for any 2xx HTTP response status

Closes #58.

pcarrier-packaging/deb-ruby-faraday,stayhero/faraday,O-I/faraday,engineyard/faraday,davidcornu/faraday,apepper/faraday,hrysd/faraday,jhass/faraday,ekampp/faraday,apepper/faraday,daviswahl/faraday,mauricionr/faraday,customink/faraday,ru-faraon/Faraday-is-an-HTTP-client,jhass/faraday,O-I/faraday,mehulkar/faraday,avdi/faraday,hstrowd/faraday,spyofchina/faraday,iamjarvo/faraday,spyofchina/faraday,lostisland/faraday,nevans/faraday,pvdb/faraday,lostisland/faraday,coinbase/faraday,hrysd/faraday,nevans/faraday,daviswahl/faraday,mauricionr/faraday,petems/faraday,santiagodoldan/faraday,mehulkar/faraday,coinbase/faraday,ngpestelos/faraday,flower-pot/faraday,zanker/faraday,iamjarvo/faraday,davoclavo/faraday,jrafanie/faraday,lgierth/faraday,grosser/faraday,ngpestelos/faraday,travis-repos/faraday,zhaoxl/faraday,grosser/faraday,luvtechno/faraday,pcarrier-packaging/deb-ruby-faraday,davoclavo/faraday,ekampp/faraday,zanker/faraday,pvdb/faraday,whomwah/faraday,engineyard/faraday,AvaelKross/faraday,luvtechno/faraday,prcongithub/faraday,hstrowd/faraday,ru-faraon/Faraday-is-an-HTTP-client,jrafanie/faraday,zhaoxl/faraday,santiagodoldan/faraday,davidcornu/faraday,petems/faraday,prcongithub/faraday,stayhero/faraday,flower-pot/faraday,AvaelKross/faraday,customink/faraday