public static Result<DateTime> GetSystemDate(string apiKey)
        {
            CampaignMonitorAPIWrapper.CampaignMonitorAPI.api _api = new CampaignMonitorAPI.api();

            object o = _api.GetSystemDate(apiKey);

            if (o is CampaignMonitorAPI.Result)
                return new Result<DateTime>((CampaignMonitorAPI.Result)o, DateTime.MinValue);
            else
                return new Result<DateTime>(0, "Success", Convert.ToDateTime(o));
        }