Retrieve the metadata for all items in this list from the server,
        as Item objects

        :rtype: List
        :returns: a List of the corresponding Item objects
        :type force_download: Boolean
        :param force_download: True to download from the server
            regardless of the cache's contents

        :raises: APIError if the API request is not successful

def get_all(self, force_download=False):
        """ Retrieve the metadata for all items in this list from the server,
        as Item objects

        :rtype: List
        :returns: a List of the corresponding Item objects
        :type force_download: Boolean
        :param force_download: True to download from the server
            regardless of the cache's contents

        :raises: APIError if the API request is not successful


        """
        cl = self.client
        return [cl.get_item(item, force_download) for item in self.item_urls]