polish and clean up of OauthPlugin
polish and clean up of OauthPlugin

grokify/guzzle,Brunty/guzzle,mortenhauberg/guzzle,ehough/guzzle,kkopachev/guzzle,sulfo/guzzle,barryvdh/guzzle3,avorobiev/guzzle,kminh/guzzle3,guzzle/guzzle,javierTerry/guzzle,paveljanda/guzzle,justincy/guzzle,justincy/guzzle,rsauvatinet/guzzle3,stea4lth/guzzle,Tobion/guzzle,ryanhughes/guzzle,EdgarPE/guzzle,Tobion/guzzle,dawehner/guzzle,Tony133/guzzle,roundpartner/guzzle3,dshafik/guzzle,jeskew/guzzle,legovaer/guzzle3,grokify/guzzle,cenxun/guzzle,nazo/guzzle,mustafavelioglu/guzzle,Briareos/guzzle,hussainweb/guzzle,stefanruijsenaars/guzzle,jeskew/guzzle,Naktibalda/guzzle,wulftone/guzzle,Naktibalda/guzzle,duyhuynhngoc/guzzle,rajaehtesham/guzzle,atrauzzi/guzzle,avorobiev/guzzle,wulftone/guzzle,wherefortravel/guzzle,WebSeed/guzzle,BostjanOb/guzzle,Briareos/guzzle,nazo/guzzle,hussainweb/guzzle,SharpSpring/guzzle3,duyhuynhngoc/guzzle,lahmizzar/guzzle,BostjanOb/guzzle,dawehner/guzzle,mrm/guzzle,checat/guzzle,guzzle/guzzle3,michabbb-backup/guzzle,javierTerry/guzzle,rsauvatinet/guzzle3,wherefortravel/guzzle,ehough/guzzle,mikicaivosevic/guzzle,ryanhughes/guzzle,staylor/guzzle,vrkansagara/guzzle,guzzle/guzzle,stefanruijsenaars/guzzle,cenxun/guzzle,Brunty/guzzle,checat/guzzle,mikicaivosevic/guzzle,chengky/guzzle,lahmizzar/guzzle,sahat/guzzle,mrm/guzzle,thinsoldier/guzzle,roundpartner/guzzle3,SharpSpring/guzzle3,EdgarPE/guzzle,dawehner/guzzle,chengky/guzzle,jabong/guzzle3,dshafik/guzzle,vrkansagara/guzzle,mubassirhayat/guzzle,guzzle/guzzle3,rajaehtesham/guzzle,videni/guzzle,paveljanda/guzzle,kminh/guzzle3,Rinat-wc/guzzle,kkopachev/guzzle,staylor/guzzle,barryvdh/guzzle3,Rinat-wc/guzzle,videni/guzzle,sulfo/guzzle,phlogisticfugu/guzzle,mustafavelioglu/guzzle,legovaer/guzzle3,Tony133/guzzle,phlogisticfugu/guzzle,WebSeed/guzzle,jabong/guzzle3,thinsoldier/guzzle,mortenhauberg/guzzle,atrauzzi/guzzle,michabbb-backup/guzzle,stea4lth/guzzle