Reading from redis replicas - ops separated

Merge pull request #4 from giosg/fea_read_multiserver_redirection

Updated version.

Reading from redis replicas

Merge pull request #2 from giosg/fea_read_multiserver_redirection

Added nested redis client class to cacheops redis to perform GETs on replica if provided

2.4.5.1

Fixed the issue with TextFields, which are now being serialized correctly.

2.4.3.2

Added cache invalidation Django signals.

2.4.3.1

Released contents of master as a version of 2.4.3.1 (bumped in setup.py)