public static string CreateFilterString(List<TaskFilter> filters)
		{
			return filters.ToDelimitedList(t => t.ToString(), Delimiter.ToString());
		}
 public static string MultiGetArticle(string type, List<string> idList, Geocode location, bool enableDebug, Verbosity verbosity, List<string> fields)
 {
     var url = new Url(ArticleServiceBase).Append(type).Append("multiget").Append( idList.ToDelimitedList(","));
     HandleDefaults(url, location, enableDebug, verbosity, fields);
     return url.ToString();
 }