Pass the client options to the internal cluster initializer method.
Pass the client options to the internal cluster initializer method.

This change is useless right now, but when Predis will support Redis cluster
we will need to have access the connection factory object since it will be
required by our future RedisCluster class.

lvbaosong/predis,protomouse/predis,gopalindians/predis,WalterShe/predis,RudyJessop/predis,nguyenthaihan/predis,zhangyancoder/predis,dzung2t/predis,channelgrabber/predis,nrk/predis,vend/predis,SwelenFrance/predis,CloudSide/predis,dominics/predis,SecureCloud-biz/predis,oswaldderiemaecker/predis,johnhelmuth/predis,gencer/predis,moria/predis,stokes3452/predis,RedisLabs/predis,quangnguyen90/predis,mrkeng/predis