= 4.1 =
- New: New attribute use_shortcode_attributes_only. Enables not to use any of the defaults and only the settings specified as attributes.
- New: Fields could only be made empty by entering a space. Now simply removing the text does work again.
- Fix: minor fixes 
- Fix: Code and documentation improvements


git-svn-id: https://plugins.svn.wordpress.org/advanced-iframe/trunk@774240 b8457f37-d9ea-0310-8a92-e5e31aec5664