some cc driven cleanup

bit anoying that the builtin engine is used
Even it is not as well configurable as preferred reek.
Still, found one minor bug

test/parfait/test_object.rb

@@ -19,5 +19,24 @@ module Parfait
     def test_type
       assert_equal ::Parfait::Type ,  @object.get_internal_word( 0 ).class
     end
+     def test_type_length
+       assert_equal 1 , Object.type_length
+     end
+     def test_set_type
+       type = @object.type
+       assert @object.set_type(type)
+       assert @object.type = type
+     end
+     def test_has_type
+       assert @object.has_type?
+     end
+     def test_set_inst
+       type = @object.type
+       assert @object.set_instance_variable(:type , type)
+       assert_equal type , @object.type
+     end
+     def test_names
+       assert_equal "[:type]" , @object.instance_variables.to_s
+     end
   end
 end