List CLI commands
        @type   ctx:    Context
        @rtype: list

def list_commands(self, ctx):
        """
        List CLI commands
        @type   ctx:    Context
        @rtype: list
        """
        commands_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'commands')
        command_list = [name for __, name, ispkg in pkgutil.iter_modules([commands_path]) if ispkg]
        command_list.sort()
        return command_list