relax dependency on redis version
fix on_node_change callback values
add public current_master/current_slaves accessors; improve notification callback
properly handle nil slaves
update changelog
redis_node_manager should start if no redis servers are available (#29)
add specs for :safe_mode and :master_only
readme update
Revert "readme update"

This reverts commit 11f2efa2037d08563e62a019ed51f4dfc9ab3611.
update gemspec description
etter handling of ZK session expirations in Node Manager
safer redis_node_manager shutdown
prepare for 0.9.0 release!
initial commit - introduce a root znode and health checks for each node manager
znode path cleanup and more doc updates
more updates
update readme
improve nested excepting handling
improve nested excepting handling
typo!