-----------------------------  version 2.05
20090210 fix bug when modifying the text after activating an exam, the duration and tries number were changed in default. (BPR)
-----------------------------  version 2.04
20090210 Add job=deactivate : deactivate exam when no sharing, no score for class, and class in groupement only (F. Guerimand).
-----------------------------  version 2.03
----------------------------  version 2.03
20081010 job=cpsheet : add a generic title keyword for exercice in exam (FG) 
----------------------------  version 2.02
20080620 job=erase : return to homepage after erase an exam (FG).
20070716 job=exo : choose the sheet which you want to take exo (FG).
20070716 job=cpsheet : add all exercise of a sheet into an exam (FG).
