20230204 [17542] condition in case of course score dependancy is now in percentage as all the score
  dependancy; use the command !examdep; change the order of the 'instruction'
  (separate general remarks and specific remarks) (bpr)
20221129 [r17430] in mode course use score dependancy to prevent hack from adress bar (FG - idea of MC)
20221128 [r17429] add job=coursewatch: supervisor can see each user course (FG)
20221121 [r17410] add a progression bar in mode course (FG)
20221121 [r17382] add a display mode for exam. actually standard historical mode and course mode (FG)
20221114 [r17310] use html5 form date (FG)
------------- version 3.06
20220928 [r17116] forbidden access with wims_class empty (FG)
20220628 [r16878] replace exolist by wims_exrandomlist to use it in oef title (FG)
20220628 [r16878] exrandomlist not chance each time participant go out exam module (FG)
20220323 [r16480] delete job=moveup no more in use (FG)
 ------------ version 3.05
20220302 [r16388] use dropdownbutton for move exercise in exam (FG)
20220227 [r16378] display correct score in cas of class_scorewithoutip=no (FG)
20210719 [r16006] can hide exam with a technical variable (FG)
20191023 [r14366] internalise jquery!=yes in script datepickerform.phtml (FG)
20180616 [r14109] score dependancy keeped when change order of exercises in exam (FG)
20181013 [r14079] can desactivate an exam in a program/class group if no courses are
  attached to it and if it is not "main" (variable class_recshare) (bpr)
20181013 [r13370] bugfix no default values for duration,tries and weight when create new exam (FG)
20181013 [r13369] bugfix saved date expiration are not correctly loaded (FG)
20181011 [r13365 and r13368] bugfix saved score restriction not correctly loaded (FG)
20180619 [] change checkbox by jquery adaptative menu (OB)
20180611 [r12927] add checkbox to close score for some techvar value (FG)
20171031 [r12091] expiration date cannot be after class_expiration (FG)
20170928 [r11970] can modify weight of exam in infoexam panel (FG)
20170921 [r11916] verification and correction of cut time format (FG)
20170920 [r11912] change non existing label expday in expdate to IP/date interface (bpr)
20170920 [r11910] adapt help of cut hour to IP/date interface (FG)
20170822 [r11846] use interface IP/date score restriction when use techvar (FG)
20170820 [r11841] use of script adm/scorerestriction to select score restriction (FG)
20170803 [r11807] use of datepicker (FG)
20170314 [r11434] timeleft ajusting with examsheet restriction (FG)
20151125 [r9686] can duplicate an exam (not empty) in one click (FG)
20151025 [r9656] can hide information of an examen (FG)
20151025 [r9654] update seq directory when delete an exam (FG)
20151025 [r9653] (bugfix) display title of exam when prepare deleting (FG)
20150127: fix bug in desactivate part.

----------------------------   version 3.05
20110327: regroupe phrases de langage avec les modules
  sheet et class.sheet dans scripts/adm/lang

----------------------------   version 3.04
20101208 protect keyword option in help.phtml (FG)
----------------------------   version 3.03
20100529 statutaction in names.phtml.$lang deleted and replace by wims_name_actionlist (FG)
20100529 can restart to module=home when variable back=1 : allow link to change statut sheet in gestion page (FG)
20100529 use of script adm/sheet/sheetadmin.phtml to generate link for changing statut (FG)
----------------------------   version 3.02
20100308 add : graphic improvment when make list of series in an exo of an exam (FG)
----------------------------   version 3.01
20100303 bugfix : generic title did not work
20100303 bugfix : it is no more possible to add an empty exercise (BPR)
20100303 bugfix : correcting score calculation when an exam in preparation is before the exam (F. Guerimand).
20100303 after adding an exo wims show directly list of exercices of the exam (F. Guerimand).
20100303 bugfix, job=exo : delete selected series when you show only series of one sheet number in
  the content of an exercice of an exam (F. Guerimand)
2010-02 : Version 3.00
  This module replaces several previously existing language dependent modules adm/class/exam.xx
  of Gang Xiao. It has been constructed by localization of these modules, keeping a single
  computation core and adding dictionaries.

20100111 can click on series exercices in exo main page (FG)
20100111 show sheet series choice for each exo in general exam config page with link to exercices series (FG)
20100111 add commentaire for each exo of an exam (FG)
20100111 add commentaire for exam description (FG)
20100111 récupération svn 2120 pour transformation multi-langues (FG)
-----------------------------  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
20081010 job=cpsheet : definition d'un mot clé générique pour les titres des exercices (F. Guerimand)
-----------------------------  version 2.02
20080620 job=erase : affiche homepage apres effacement (F. Guerimand)
20080607 le nombre de colonne est fixé à  5 au maximum au lieu de 3 (F. Guerimand)
-----------------------------  version 2.01
20080530 changement de la presentation des examens pour une écriture sur plusieurs colonnes (FG).
20070716 Page d'ajout d'exercices permet d'afficher seulement les exercices d'une feuille particulière (FG).
20070716 job=cpsheet : permet d'ajouter tous les exercices d'une feuille à un examen en un seul click (FG).
