Replace ZREVRANGEBYSCORE by ZREVRANGE.
Merge pull request #1 from u-c-l/crdt-use-zrevrange

Replace ZREVRANGEBYSCORE by ZREVRANGE.
crdtsvc: fix `coalesce` parameter to respect offset/limit
zcluster: additional test of offset/limit
Merge pull request #2 from u-c-l/master

Fix JSON marshalling for arbitrary binary data in strings.
Update LICENSE and CONTRIBUTORS
README: fix link to crdtsvc
README: updates
Properly unmarshal byte slices for keys
Fix bug when Redis connections fail
'go vet' and 'golint' fixes
Reorg instrumentation to prep for zcluster metrics
zcluster metrics: {PipelineRead,RedisCommand}Count
Quorum union semantics
Update README
Refactor the README
Introduce SendQuorumReadSome read strategy
Repairer interface.
Added NopRepairer.
SendAllReadFirstLinger read strategy