public TableStorageBoolResponse ExistsTable(string tablename)
{
var ts_response = ListTables();
var found = false;
var dicts = ts_response.list_dict_obj;
foreach (var dict in dicts)
{
if ((string)dict["TableName"] == tablename)
found = true;
}
return new TableStorageBoolResponse (ts_response.http_response, found);
}