update gemspec => v0.4.1
update gemspec => v0.4.1

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