update gemspec, hello v0.4
update gemspec, hello v0.4

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