Adding filters for developer enhancement

Hello,

Would it be possible to add some filters to support extension to your excellent plugin?

To enhance the main contact form list please add an action hook to the declaration function column_default( $item, $column_name ) instead of an empty string.

I had some other suggestions about the configuration validator but the hook provided in the validate() method should cover my cases.

If there’s a better way to suggest developer enhancements, please let me know. Thanks!