Jean Gillaux <jgillaux AT inl.fr> - Fix netmask "/0.0.0.0"
Victor Stinner <victor.stinner AT inl.fr> - Patch setup.py for setuptools, maintainer since version 0.5
Mark Johnston - bringing IPy to Python 2.3
Matthew Flanagan <mattimustang AT gmail.com> - Fix strCompressed()
Maximillian Dornseif <md AT hudora.de> - IPy author and maintainer until version 0.42
Samuel Krempp - fix __cmp__() bug
Shell, Hin-lik Hung - bring IPy to OpenBSD ports
Skinny Puppy - __add__() now always  returns a value
William McVey <wam AT cisco.com> - Fix IP.__nonzero__()
