fix bug 'undefined index: [...] in inc/helpers.php at line 136'
add check if the index is set
<?php 	if ( ! isset( $values[ $role ] ) ) continue; ?>
remove deprecated/unused code
Make metaboxes in backend editable (move, remove, close, open, ... )
Add 3 column layout, else drag'n'drop make no sense.
add todo.txt