Eonblast/Emysql — pull request #103 by redink (2013-09-27 15:29:25+00:00)
Title: add handler for handle_info in emysql_conn_mgr

Maybe, one waiting process would killed by other process when waiting for connection, so when `emysql_conn_mgr` process receive `{'DOWN', MonitorRef, _, Pid, _}` info, remove the `Pid` from the waiting queue.