copyright: 2001-2005 CopixTeam, 2005-2009 Laurent Jouanneau This class was get originally from the Copix project (CopixListener, Copix 2.3dev20050901, http://www.copix.org) Many of lines of code are copyrighted 2001-2005 CopixTeam (LGPL licence). Initial author of this Copix class is Gerald Croes, and this class was adapted/improved for Jelix by Laurent Jouanneau