2019-06-13 Alibaba Cloud.
	* VERSION: 1.6.7
	* IMPROVE: split big key in `rump` mode.
	* IMPROVE: add rate transmission mechanism in `rump` mode.
	* IMPROVE: add metric in `rump` mode.
2019-06-09 Alibaba Cloud.
	* VERSION: 1.6.6
	* cherry-pick merge v1.4.4
	* BUGFIX: delete single command failed when filter key given.
2019-06-06 Alibaba Cloud.
	* VERSION: 1.6.5
	* IMPROVE: run rump in parallel to support several db nodes behind proxy.
	* BUGFIX: run rump panic when the source is proxy with more than 1 db.
2019-06-05 Alibaba Cloud.
	* VERSION: 1.4.4
	* BUGFIX: modify the ttl from millisecond to second in restore when
	overpass big key threshold.
	* IMPROVE: set some default values in configuration.
2019-05-30 Alibaba Cloud.
	* VERSION: 1.6.4
	* BUGFIX: fix bug of `GetDetailedInfo` panic.
2019-05-26 Alibaba Cloud.
	* VERSION: 1.6.3
	* IMPROVE: target address supports cluster.
	* IMPROVE: supports TLS for standalone.
2019-05-16 Alibaba Cloud.
	* VERSION: 1.6.2
	* BUGFIX: fix bug of `rump` mode only syncing db 0 data.
2019-05-14 Alibaba Cloud.
	* VERSION: 1.6.1
	* IMPROVE: support fetching db address from sentinel, the failover
	mechanism is not yet supported.
2019-05-08 Alibaba Cloud.
	* VERSION: 1.6.0
	* FEATURE: source address supports cluster.
	* FEATURE: target address supports several proxies to write data in
	a round-robin way.
2019-05-11 Alibaba Cloud.
	* VERSION: 1.4.3
	* BUGFIX: add add metric in restore mode. 
2019-04-24 Alibaba Cloud.
	* VERSION: 1.4.2
	* IMPROVE: improve rump to support fetching data from given keys in
	the file.
2019-04-24 Alibaba Cloud.
	* VERSION: 1.4.1
	* IMPROVE: improve rump to better fetch data from aliyun_cluster and
	tencent_cluster.
2019-04-21 Alibaba Cloud.
	* VERSION: 1.4.0
	* FEATURE: support "rump" type to syncing data when `sync` and `psync`
	commands are not supported.
	* IMPROVE: add commands sending and receiving debug log.
2019-04-13 Alibaba Cloud.
	* VERSION: 1.2.3
	* IMPROVE: polish log print to print more error info.
2019-04-03 Alibaba Cloud.
	* VERSION: 1.2.2
	* BUGFIX: support 5.0 rdb RDB_OPCODE_MODULE_AUX, RDB_OPCODE_IDLE and
	RDB_OPCODE_FREQ type.
2019-03-27 Alibaba Cloud.
	* VERSION: 1.2.1
	* IMPROVE: support syncing lua script in RDB syncing.
2019-03-11 Alibaba Cloud.
	* VERSION: 1.2.0
	* FEATURE: support 5.0.
2019-02-21 Alibaba Cloud.
	* VERSION: 1.0.0
	* REDIS-SHAKE: initial release.