Lock rest-client to ~> 1.6.0 on Ruby 1.8.7
Lock rest-client to ~> 1.6.0 on Ruby 1.8.7

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