void SetValidDefaults()
{
Method = "GET";
Uri = "";
Headers = new Dictionary<string, IEnumerable<string>>();
Items = new Dictionary<string, object>();
Items["owin.base_path"] = "";
Items["owin.server_name"] = "localhost";
Items["owin.server_port"] = 80;
Items["owin.request_protocol"] = "HTTP/1.1";
Items["owin.url_scheme"] = "http";
Items["owin.remote_endpoint"] = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 80);
}