Incorrect unbinding in dependent.js

Ctools breaks "change" event handlers:

  Drupal.CTools.dependent.autoAttach = function() {
    // Clear active bindings and triggers.
    for (i in Drupal.CTools.dependent.activeTriggers) {
      $(Drupal.CTools.dependent.activeTriggers[i]).unbind('change');
    }

  Drupal.behaviors.CToolsDependent = {
    attach: function (context) {
      Drupal.CTools.dependent.autoAttach();
    }
  }

So if a form element controls dependent elements, and this element has other "change" event handlers, these handlers will not be active any more after any AJAX action on the page which invokes Drupal.attachBehaviors().