Support ScriptType as parameter

Upsilon/StandardLibraries/StaticScope.cs

@@ -90,6 +90,9 @@ namespace Upsilon.StandardLibraries
                 return Type.Table | Type.UserData;
             if (typeof(ScriptTable).IsAssignableFrom(type))
                 return Type.Table;
+            if (type == typeof(ScriptType))
+                // allows every type
+                return (Type) 255;
             return Type.UserData;
         }
     }