Get host list with name matching the specified filter

        :param argin: The filter
        :type: tango.DevString
        :return: Host name list
        :rtype: tango.DevVarStringArray

def DbGetHostList(self, argin):
        """ Get host list with name matching the specified filter

        :param argin: The filter
        :type: tango.DevString
        :return: Host name list
        :rtype: tango.DevVarStringArray """
        self._log.debug("In DbGetHostList()")
        argin = replace_wildcard(argin)
        return self.db.get_host_list(argin)