/// <summary>
 /// 
 /// </summary>
 /// <param name="tableName"></param>
 /// <param name="diff"></param>
 /// <returns></returns>
 public string Fetch(string tableName, DiffsQuery diff)
 {
     return RawQuery(UrlForFetch(tableName) + "/diffs", diff.ToUrlQuery());
 }
 /// <summary>
 /// Runs a diff query against the specified Factual table.
 /// </summary>
 /// <param name="tableName"></param>
 /// <param name="diff"></param>
 /// <returns></returns>
 public string Fetch(string tableName, DiffsQuery diff)
 {
     return(RawQuery(UrlForDiffs(tableName), diff.ToUrlQuery()));
 }