Significant code contributions from:
- Brandon Black <blblack@gmail.com>
-- Etienne Dechamps <etienne@edechamps.fr> (copyright owned by Google)
+- Etienne Dechamps <etienne@edechamps.fr>
- Florian Forster <octo@verplant.org>
- Grzegorz Dymarek <gregd72002@googlemail.com>
- Julien Muchembled <jm@jmuchemb.eu>