* VERSION: 1.4.8
* BUGFIX: fetch newest redis-go-cluster driver which solve MOVED problem
in redis-shake.
* IMRPOVE: polish error log.
* IMPROVE: validate the input address. if type is cluster, the input list
should be either all masters or all slaves, can't be mix.

* VERSION: 1.4.7
* BUGFIX: merge PR of solving problem that key difference results are not
verified. Thanks @shuff1e(sfxu@foxmail.com). see#74.

* VERSION: 1.4.6
* BUGFIX: update redis-go-cluster to solve \r\n bug. see #73.

* VERSION: 1.4.5
* BUGFIX: update redis-go-cluster to solve the MOVED error when
redis type is cluster and key is unicode encoding. Thanks
@shuff1e(sfxu@foxmail.com). see#68.

* VERSION: 1.4.4
* BUGFIX: conflicts number is 0 in diff file and console print.

* VERSION: 1.4.3
* BUGFIX: single db use cluster client.
* IMPROVE: add log level configuration and print more log info.
* BUGFIX: key conflicts stat inaccurate.

* VERSION: 1.4.2
* BUGFIX: judge the source is type cluster or db.

* VERSION: 1.4.1
* BUGFIX: cluster connection panic. see #50, #52.
* IMPROVE: cluster connection auto-detection. see #49.

* VERSION: 1.4.0
* FEATURE: support cluster.