Now supports saving card groups, this is probably the ugliest code ive ever written but anything to avoid 20 cardgroup properties. we should see if there's a better way, it could probably be a lot cleaner

TOOHUCardAPI/DTO/AbstractRequest.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace TOOHUCardAPI.DTO
+{
+    public abstract class AbstractRequest
+    {
+        [JsonProperty("method")]
+        public string Method { get; set; }
+    }
+}