0.3.0
-----------
- Integrated travis-ci
- Added background monitor to client for proactively detecting
  changes to current set of redis nodes

0.2.0
-----------
- Added retry support for contacting failover server from client
- Client now verifies proper master/slave role before attempting operation
- General edge case cleanup for NodeManager

0.1.1
-----------

- Fix option parser require

0.1.0
-----------

- First release