add state command for websocket connection
Merge pull request #16 from easeway/get-regids

add state command for websocket connection
able to override LOGFN_SUFFIX
Merge pull request #17 from easeway/override-log-suffix

able to override LOGFN_SUFFIX
ignore redis client setname error
Merge pull request #18 from easeway/ignore-setname

ignore redis client setname error