Main author:
  Laurent Bercot <ska-skaware@skarnet.org>

Contributors:
  Luis Ressel <aranea@aixah.de>
  Wictor Lund <wlund@iki.fi>

Thanks to:
  Dan J. Bernstein <djb@cr.yp.to>
  Jean Marot <jean.marot@salle-s.org>
  Jorge Almeida <jalmeida@math.ist.utl.pt>
  Vallo Kallaste <kalts@estpak.ee>
  Josuah Demangeon <mail@josuah.net>
  Eric Vidal <eric@obarun.org>
  Colin Booth <colin@heliocat.net>