public static async Task Test0Async()
        {
            //  simply totals up the counts available in the pages

            CountCollector collector = new CountCollector(new Uri(source));
            await collector.Run(CancellationToken.None);
            Console.WriteLine("total: {0}", collector.Total);
            Console.WriteLine("http requests: {0}", collector.RequestCount);
        }
        public static async Task Test0Async()
        {
            //  simply totals up the counts available in the pages

            CountCollector collector = new CountCollector(new Uri("http://nugetjohtaylo.blob.core.windows.net/ver38/catalog/index.json"));
            await collector.Run(CancellationToken.None);
            Console.WriteLine("total: {0}", collector.Total);
            Console.WriteLine("http requests: {0}", collector.RequestCount);
        }