Handle object parameter for functions better

Upsilon/StandardLibraries/StaticScope.cs

@@ -193,9 +193,12 @@ namespace Upsilon.StandardLibraries
             if (typeof(IEnumerable).IsAssignableFrom(type))
                 return Type.Table | Type.UserData;
 
+            if (type == typeof(object))
+                return Type.Unknown;
+
             if (type == typeof(ScriptType))
                 // allows every type
-                return (Type) 255;
+                return Type.Unknown;
             return new UndefinedUserDataTypeContainer(Type.UserData, type);
         }
     }