The author would like to thank the following people for offering suggestions,
corrections and assistance with various drafts of this article: Jeff Bauer, Simon Brunning,
Brett Cannon, Michael Chermside, Andrew Dalke, Scott David Daniels, Fred L. Drake,
Jr., David Fraser, Kelly Gerber, Raymond Hettinger, Michael Hudson, Chris Lambert, Detlef
Lannert, Martin von Löwis, Andrew MacIntyre, Lalo Martins, Chad Netzer, Gustavo
Niemeyer, Neal Norwitz, Hans Nowak, Chris Reedy, Francesco Ricciardi, Vinay Sajip, Neil
Schemenauer, Roman Suzi, Jason Tishler, Just van Rossum.