v1.2.6

Fix: client do not block when server panic

Fix: create a new connection when can not get one by rpcClientArray.getConn

v1.2.5

Fix: create a new connection when can not get one by rpcClientArray.Get

add jerrors.Trace on starting error

v1.2.4

Mod: version

v1.2.3

Fix: issue 27

v1.2.2

Imp: enlarge time wheel span