Added README
Initial commit : moved from original scala-redis repo
Added API for SortedSet
Added APIs for Hash
1. added new options for set command (starting from redis 2.6.12)
2. added error handling capabilities through ProtocolUtilities
3. errors are now reported through promise failure
fixed bug in handling null bulk replies
error handling simplification: Status replies do not return Option now
reply and error handling simplification : removed Option[] from Integer, Status and MultiBulk replies
changed based on new redis reply handling simplifications
Update SBT and library dependencies to the latest
Flatten result of LRANGE
Separate list operation tests
Fix error with empty multi bulk result
Fix LRANGE example in README.md
Test cleanup with lastest Scalatest snapshot

- Handle async assertions properly (with latest Scalatest snapshot)
- Shutdown actorsystem after tests are done
- Added `RedisSpecBase` for common test setup
Remove redundant Option from result
More test cleanup
Added tests
Fix more async tests
Fix HDEL with multiple keys