Update AUTHORS

AUTHORS

@@ -6,4 +6,6 @@ Donald Stufft <donald.stufft@gmail.com>
 Brian Rosner <brosner@gmail.com>
 Shabda Raaj <shabda@agiliq.com>
 Ross Poulton <ross@rossp.org>
-Katherine “Kati” Michel <https://github.com/KatherineMichel>
+Anna Ossowski <ossanna16@gmx.de>
+Katherine Michel <kthrnmichel@gmail.com>
+Graham Ullrich <graham@flyingcracker.com>