Added my name to the contributers list.

AUTHORS

@@ -27,3 +27,4 @@ Ordered by date of first contribution:
   Mikhail Korobov <kmike84@gmail.com>
   Jeff Balogh <me@jeffbalogh.org>
   Patrick Altman <paltman@gmail.com>
+  Vincent Driessen <vincent@datafox.nl>