Updated license to include the beginning year.
Updated license to include the beginning year.

Thanks @GrahamCampbell
videni/guzzle,justincy/guzzle,atrauzzi/guzzle,stea4lth/guzzle,checat/guzzle,BostjanOb/guzzle,Naktibalda/guzzle,dshafik/guzzle,wherefortravel/guzzle,atrauzzi/guzzle,staylor/guzzle,EdgarPE/guzzle,javierTerry/guzzle,Briareos/guzzle,phlogisticfugu/guzzle,Tony133/guzzle,stea4lth/guzzle,javierTerry/guzzle,chengky/guzzle,thinsoldier/guzzle,michabbb-backup/guzzle,lahmizzar/guzzle,lahmizzar/guzzle,Brunty/guzzle,nazo/guzzle,hussainweb/guzzle,rajaehtesham/guzzle,mortenhauberg/guzzle,guzzle/guzzle,mikicaivosevic/guzzle,michabbb-backup/guzzle,thinsoldier/guzzle,mikicaivosevic/guzzle,Briareos/guzzle,videni/guzzle,duyhuynhngoc/guzzle,guzzle/guzzle,checat/guzzle,cenxun/guzzle,phlogisticfugu/guzzle,cenxun/guzzle,jeskew/guzzle,sulfo/guzzle,rajaehtesham/guzzle,vrkansagara/guzzle,Tony133/guzzle,WebSeed/guzzle,paveljanda/guzzle,mortenhauberg/guzzle,Tobion/guzzle,Brunty/guzzle,mrm/guzzle,ehough/guzzle,grokify/guzzle,wherefortravel/guzzle,jeskew/guzzle,kkopachev/guzzle,ehough/guzzle,duyhuynhngoc/guzzle,chengky/guzzle,justincy/guzzle,hussainweb/guzzle,mrm/guzzle,EdgarPE/guzzle,stefanruijsenaars/guzzle,grokify/guzzle,Rinat-wc/guzzle,BostjanOb/guzzle,vrkansagara/guzzle,stefanruijsenaars/guzzle,mustafavelioglu/guzzle,WebSeed/guzzle,sulfo/guzzle,Naktibalda/guzzle,paveljanda/guzzle,dshafik/guzzle,Tobion/guzzle,nazo/guzzle,mustafavelioglu/guzzle,kkopachev/guzzle,staylor/guzzle,Rinat-wc/guzzle