When backspace key is pressed in an empty text field, deletes last tag in the list.
When backspace key is pressed in an empty text field, deletes last tag in the list.

continuata/jquery-textext,DustinH/jquery-textext,jscott1989/jquery-textext,jscott1989/jquery-textext,alexgorbatchev/jquery-textext,garbas/jquery-textext,dyx/jquery-textext,garbas/jquery-textext,DustinH/jquery-textext,dyx/jquery-textext,alexgorbatchev/jquery-textext,cesarmarinhorj/jquery-textext,cesarmarinhorj/jquery-textext,continuata/jquery-textext