Handle overloads better

Upsilon/BaseTypes/UserData/UserDataMethod.cs

@@ -75,6 +75,8 @@ namespace Upsilon.BaseTypes.UserData
         {
             foreach (var userDataMethodPart in MethodParts)
             {
+                if (userDataMethodPart.Parameters.Length < parameterTypes.Length)
+                    continue;
                 bool valid = true;
                 for (var index = 0; index < userDataMethodPart.Parameters.Length; index++)
                 {

Upsilon/BoundTypes/UserDataBoundTypeDefinition.cs

@@ -75,7 +75,11 @@ namespace Upsilon.BoundTypes
             }
             foreach (var f in methods)
             {
-                obj.Properties.Add(f.Name.ToLowerInvariant(), f);
+                var cleanedName = f.Name.ToLowerInvariant();
+                // TODO: handle this better, considering overloads
+                if (obj.Properties.ContainsKey(cleanedName))
+                    continue;
+                obj.Properties.Add(cleanedName, f);
             }
 
             return obj;