 ------------ version 2.02 
20220617 [r16821] user can send a internal message to supervisor when log en exercice if class_mexolog=yes (FG)
 ------------ version 2.01 
2022-01-18
   use module adm/sendbug to report a bug to a registered exercise (FG)
2012-09-30
   fix the following bug : renamed-images had the name of the link - so the exercise was not visible 
   once the session was killed. (bpr)
2010-02 : Version 2.00
  This module replaces several previously existing language dependent modules adm/class/exolog.xx
  of Gang Xiao. It has been constructed by localization of these modules, keeping a single 
  computation core and adding dictionaries.