Initial port to Drupal 7. Includes the same functionality in the Drupal 6 version.
WARNING: There is currently no upgrade path from the Drupal 6 version!
In order to update from the Drupal 6 to Drupal 7 version, you will need to delete your existing fields and rules and uninstall the Drupal 6 version. After upgrading to Drupal 7 you can enable this version of Button Field. You will then need to add your fields and rules again.