public IRestResponse GetRequest<T>(string Ressource, T ObjTOPost, string Time, string Sig, string Session) where T : new()
        {
            var client = new RestClient("https://api.spreadshirt.net/api/v1/");
            client.UserAgent = "User-Agent: Spreadshirt Uploader/0.1 (www.test.de; test@web.de)";

            var request = new RestRequest(Ressource, Method.GET);

            request.XmlSerializer = new RestSharp.Serializers.XmlSerializer();
            request.RequestFormat = DataFormat.Xml;

            var authString = String.Format("SprdAuth apiKey= \"{0}\" data = \"GET https://api.spreadshirt.net/api/v1/users/115417255/designs {1}\" sig=\"{2}\" sessionId=\"{3}\"", SecurityRessources.getApK(), Time, Sig, Session);

            request.AddHeader("Authorization", "Authorization: " + authString);

            //request.AddXmlBody(ObjTOPost, "http://api.spreadshirt.net");
            var response = client.Execute<T>(request);

            return response;
        }