Don't send data to channel while locked

Reduce the chance of a deadlock on close

Resolve data race when sending pubsub update packets down a notificat…

…ion channel

Re-enable housekeeping upon local site manager start

Bugfix: Close() would execute FLUSHDB which would confuse the cluster

Always use redis as source of truth about local slots assignment

Bugfix: race condition which caused to redis state and local state to…

… desync

Bugfix: RequestRemoveSlot did not respect result from LUA script

Bugfix: RequestRemoveSlot did not respect result from LUA script

Remove debug output