Get list of device server process defined in database
        with name matching the specified filter

        :param argin: The filter
        :type: tango.DevString
        :return: Device server process name list
        :rtype: tango.DevVarStringArray

def DbGetServerList(self, argin):
        """ Get list of device server process defined in database
        with name matching the specified filter

        :param argin: The filter
        :type: tango.DevString
        :return: Device server process name list
        :rtype: tango.DevVarStringArray """
        self._log.debug("In DbGetServerList()")
        argin = replace_wildcard(argin)
        return self.db.get_server_list(argin)