add a storehaus interface for redis sorted sets
Merge branch 'develop' into redis-sorted-sets
Merge branch 'develop' into redis-sorted-sets
Merge branch 'develop' into redis-sorted-sets
Merge branch 'redis-sorted-sets' of github.com:softprops/storehaus into redis-sorted-sets
Merge branch 'develop' into redis-sorted-sets
stored sets can be mergeable as a collection of members paired with their associated incrby amount
Merge pull request #127 from softprops/redis-sorted-sets

Redis sorted sets