Special thanks to following people, who reported problems, provided patches and
documentation, suggested improvements:

Davide Berra            d.berra at esitelsrl.it
Radek Hnilica           radek.hnilica at gmail.com
Peter Iring             peter.iring at siemens.com
Christian Kelinski      kelinski at gmail.com
Kari Pahula             kaol at iki.fi
Mark Richards           mark.richards at massmicro.com
