public static Stream DownloadDump(string wiki, string dump, DateTime date)
        {
            Stream stream = new CachingStream(wiki, dump, date);

            GZipStream gzipStream = new GZipStream(stream, CompressionMode.Decompress);
            return gzipStream;
        }
        public static Stream DownloadDump(string wiki, string dump, DateTime date)
        {
            Stream stream = new CachingStream(wiki, dump, date);

            GZipStream gzipStream = new GZipStream(stream, CompressionMode.Decompress);

            return(gzipStream);
        }