Add an AWS API-compatible parameter list to a dictionary.

        :type params: dict
        :param params: The parameter dictionary

        :type items: list
        :param items: Items to be included in the list

        :type label: string
        :param label: The parameter list's name

def _build_list_params(self, params, items, label):
        """Add an AWS API-compatible parameter list to a dictionary.

        :type params: dict
        :param params: The parameter dictionary

        :type items: list
        :param items: Items to be included in the list

        :type label: string
        :param label: The parameter list's name
        """
        if isinstance(items, basestring):
            items = [items]
        for i in range(1, len(items) + 1):
            params['%s.%d' % (label, i)] = items[i - 1]