Original commits:
* Added more server debug options
* made server debug code prettier
* fixed initialization bug
* Enables logging of packets contained in UnionCmdNotify, when debug level is WHITELIST or BLACKLIST
Original commits:
* Added command CommandPermissionCommand. Added permission information in HelpCommand.
* Removed command CommandPermissionCommand
* Display permission for single command when use help.
* Display permission targeted when use help.