Correcting the KiirooCmd message

The schema states that this should contain a string named Command rather than a uint named Position. To handle this is a non-breaking way, the Position setter/getter has been preseved, but stores the uint value in the Command string.

Fixes #221

Author: blackspherefollower

Buttplug.Core/Messages/Messages.cs

@@ -315,20 +315,30 @@ public LovenseCmd(uint aDeviceIndex, string aDeviceCmd, uint aId = ButtplugConst
 
     public class KiirooCmd : ButtplugDeviceMessage
     {
-        private uint _positionImpl;
-
         [JsonProperty(Required = Required.Always)]
+        public string Command;
+
+        [JsonIgnore]
         public uint Position
         {
-            get => _positionImpl;
+            get
+            {
+                if (uint.TryParse(Command, out uint pos) && pos <= 4)
+                {
+                    return pos;
+                }
+
+                return 0;
+            }
+
             set
             {
                 if (value > 4)
                 {
                     throw new ArgumentException("KiirooRawCmd Position cannot be greater than 4");
                 }
 
-                _positionImpl = value;
+                Command = value.ToString();
             }
         }