Fix for allNodes array containing nodes not serving the specified slot.
Fix for allNodes array containing nodes not serving the specified slot.

alsotang/ioredis,DynamicYield/ioredis,paskakaska/ioredis,luin/ioredis,thorsteinsson/ioredis,nswbmw/ioredis,AVVS/ioredis,DynamicYield/ioredis,xuyanxiang/ioredis,mtlima/ioredis,luin/ioredis,pensierinmusica/ioredis,ColmHally/ioredis,luin/ioredis