Adds Ryan P. Kelly to AUTHORS

AUTHORS

@@ -80,6 +80,7 @@ Remy Noel <mocramis@gmail.com>
 Reza Lotun <rlotun@gmail.com>
 Roberto Gaiser <gaiser@geekbunker.org>
 Rune Halvorsen <runefh@gmail.com>
+Ryan P. Kelly <rpkelly@cpan.org>
 Ryan Petrello <lists@ryanpetrello.com>
 Sam Cooke <sam@mixcloud.com>
 Sean Creeley <sean.creeley@gmail.com>