These people have provided bug fixes, new features, improved the documentation
or just made metrology more awesome.

 * Alexis Svinartchouk <zvin@free.fr>
 * Artur Dryomov <artur.dryomov@gmail.com>
 * Jacob Kaplan-Moss <jacob@jacobian.org>
 * John Crocker <jcrocker@zenoss.com>
 * Jonathan Dorival <jonathan.dorival@novapost.fr>
 * Timothée Peignier <timothee.peignier@tryphon.org>