Add warning about php version to guzzle suggestion
Add warning about php version to guzzle suggestion

ebernhardson/Elastica,stof/Elastica,jeancsil/Elastica,falconavs/Elastica,sugarcrm/Elastica,ebernhardson/Elastica,Mosoc/Elastica,im-denisenko/Elastica,webdevsHub/Elastica,stof/Elastica,miniplay/Elastica,0x46616c6b/Elastica,vlajos/Elastica,miniplay/Elastica,0x46616c6b/Elastica,Gasol/Elastica,Southparkfan/Elastica,ruflin/Elastica,ewgRa/Elastica,Jmoati/Elastica,piotrantosik/Elastica,fubuki/Elastica,vlajos/Elastica,giorrrgio/Elastica,ARAMISAUTO/Elastica,giorrrgio/Elastica,eilgin/Elastica,kartikm/Elastica,JustinHook/Elastica,giovannialbero1992/Elastica,ARAMISAUTO/Elastica,Mosoc/Elastica,fubuki/Elastica,giovannialbero1992/Elastica,pborreli/Elastica,p365labs/Elastica,revinate/Elastica,JustinHook/Elastica,webdevsHub/Elastica,Southparkfan/Elastica,Gasol/Elastica,pborreli/Elastica,kartikm/Elastica,markeilander/Elastica,p365labs/Elastica,splitice/Elastica,markeilander/Elastica,ewgRa/Elastica,eilgin/Elastica,piotrantosik/Elastica,falconavs/Elastica,sugarcrm/Elastica,jeancsil/Elastica,revinate/Elastica,im-denisenko/Elastica,Jmoati/Elastica