I'm using your plugin and it doesn't seem to include the relation => 'and' into the query array. When I select to different taxonomies through the dropdown menu, it only filters results from one taxonomy and ignores the others (I believe but it's not working, that I know).
I've tried using it in the sidebar but how I am calling it is by using the_widget
<?php $args = array('mode' => 'dropdowns', 'taxonomies' => array('type','area','features','price'));
the_widget('Taxonomy_Drill_Down_Widget', $args); ?>
I've not modified the plugin core at all either. I've seen others with the same issue.
Has anyone been able to resolve this or are they also having the same issue?