0.3.1: Merge pull request #1 from RobinUS2/master

Timeout

0.3.0

add monitor, remove, set methods to Sentinel and Sentinel class.
add getLastError, clearLastError methods to Sentinel

0.2.0

fix sentinel return value bug
fix sentinel pool call_user_function bug
add two redis slaves and add two sentinels
update readme.md

0.1.0

add tags