pass parfait method to to_mom

previously it was the toll incarnation, and that is almost the same
But for the type of self. This s by definition only known in the
parfait method
And we need it off course for type checking/dispatch

test/support/compiling.rb

@@ -26,7 +26,7 @@ module MomCompile
     assert_equal Parfait::Class , lst.clazz.class , lst
     @method = lst.clazz.get_method(:main)
     assert_equal Parfait::VoolMethod , @method.class
-    res = lst.to_mom( nil )
+    res = lst.create_objects
     #puts "#{res.class}"
     res
   end