Release 0.14

* parameter "columns" enable to show only selected columns, i.e.
"columns=3,5" show only column 3 and 5 or to exclude one or more
columns, i.e. "columns=-2" don't show the column 2 but all others
* parameter "auto_url=true" create regular http links, i.e.
"www.show.me" will be converted to <a
href="http://www.show.me">www.show.me</a>
* parameter "target=blank" will add a target="_blank" to auto_url links