SET command updated to redis 2.8
Merge pull request #64 from jettify/master

SET command updated to redis 2.8
Issue#60 Call the unsubscribe method callback when UNSIBSCRIBE message received
issue#60 Bumped the version no
issue#63 Removed unnecessary str encoding
fix keys arg in eval command
Merge pull request #68 from jettify/fix-key-arg

fix keys arg in eval command
Use the first active SockJS connection for broadcasting
Bumped the version number
Added Jonas Hagstedt to the list of contributors
Fix bug where the connection would throw an error if the redis connection was closed
Merge pull request #75 from jonashagstedt/master

Fix bug where the BaseSubscriber would throw an error if the redis connection is closed
add support for ipv6