20130315 add compatibility with multilanguage modules
20120404 fix bug: the title of the exercise was not found in case of class exercise (BPR)
20120404 bugfix : when empty sheet present before a non empty sheet numeroting is translated (FG)
------------------------ version 3.02
20120402 job=exo : test if module inserted is realy an exercise module (FG)
20120330 add job=helpexo to add help to an exo of a sheet (FG)
20120328 Prepare module to do other job (FG)
20120328 delete empty var.init (FG)
------------------------  version 3.01
20110324 replace symbol + in scoredelay by , (FG)
2010-02 : Version 2.00
  This module replaces several previously existing language dependent modules adm/class/addmodule.xx
  of Gang Xiao. It has been constructed by localization of these modules, keeping a single 
  computation core and adding dictionaries.
  
20070511 Ajout d'un lien de retour vers le module à la fin de l'ajout (Fabrice Guerimand)
