Thanks to all the following people for their help in
improving GNU lightning:

Tom Tromey                      <tromey@redhat.com>
Laurent Michel                  <ldm@thorgal.homelinux.org>
Eli Barzilay                    <eli@barzilay.org>
Jens Troeger                    <savage@light-speed.de>
Basile Starynkevitch            <basile@starynkevitch.net>