Authors:
  Philippe C.D. Robert <probert@siggraph.org>
  Sergii Stoian <stoyan255gmail.com>

Contributors:
  David Ayers <d.ayers@inode.at>
  Richard Frith-Macdonald <rfm@gnu.org>
  Nicola Pero  <n.pero@mi.flashnet.it>
  Pierre-Yves Rivaille  <pyrivail@ens-lyon.fr>
  Adam Fedor <fedor@gnu.org>
  Daniel Luederwald <das_flip@gmx.de>
  Gregory Jonh Casamento <greg_casamento@yahoo.com>