CLI: Added LogLevel handling.
CLI: Added LogLevel handling.

shangdawei/LibSWD,cedar-renjun/LibSWD,cedar-renjun/LibSWD,ongjohn/LibSWD,cedar-renjun/LibSWD,ongjohn/LibSWD,shangdawei/LibSWD,ongjohn/LibSWD,shangdawei/LibSWD