These people have contributed useful patches, ideas and suggestions:

Andre Costa
Aredridel
Bardur Arantsson
Christopher Rosado
Chung-chieh Shan
Corrin Lakeland
Dan Egnor
Emil Sit
James Leifer
Jerry Jorgenson
Joerg Desch
John Arthur Kane
John Keener
Josh Purinton
Kevin Rosenberg
Mikael Ylikoski
Robert Hofer
Roberto Boati
Satyaki Das
Vladimir V. Kisil
Will Yardley
Wolfgang Weisselberg
Samuel Tardieu
Martin Danielsson

I apologise to any contributors who have been omitted from this list!

