fixed README
fixed README

2upmedia/Goutte,jozhao/Goutte,moffe42/Goutte,FriendsOfPHP/Goutte,stof/Goutte,chrismoulton/Goutte,viniciusferreira/Goutte,farhan4648gul/Goutte,sitesense/Goutte,georaldc/Goutte,ferjflores/Goutte