K 10 svn:author V 5 remko K 8 svn:date V 27 2014-01-28T14:55:17.508291Z K 7 svn:log V 233 Before the users chapter can be removed, preface should also be updated since that references the users chapter. Next to that it was hungry for some updates so make it on-par with the English version. Facilitated by: Snow B.V. END