People who have emailed me with corrections and suggestions on the
tutorial. As of the most recent release, this include: Florian Ragwitz,
-Mauro Andreolini, Jim Howard, Giovanni Gigante, William Moreno, and
-Bryan Roach.
+Mauro Andreolini, Jim Howard, Giovanni Gigante, William Moreno,
+Bryan Roach, Ashley Berlin, and David Kamholz.
=back