Log Message:
Noteworthy changes in version `0.4.0':
   * New Menu and Menu Item inspectors.
   * User can now specify the Services and Windows menus in the menu
     inspector.
   * User can specify a non-custom subclass as well as a custom one to
     replace the class when the .gorm is unarchived.  This can be used
     to turn a NSTextField into NSSecureTextField and etc.
   * New set name panel.
   * New switch control on the font panel to allow the user to specify
     if a font is encoded with its default size or not.
   * Added NSStepper and NSStepperCell to the class list to allow
     creation of custom subclasses.
   * Windows and Services menus now function correctly.