[Plugin: Better Blogroll] Feature request: Sort by date (link_updated)

Replace line 182 with the following to add this feature
$bbw_sort_array = array('Random'=>'rand()','Date ASC'=>'link_updated ASC', 'Date DSC'=>'link_updated DESC', 'Title ASC'=>'link_name ASC','Title DSC'=>'link_name DESC','Rating ASC'=>'link_rating ASC','Rating DSC'=>'link_rating DESC',);