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				New features and modifications
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4.01-r.6628 : now verify wims exam and sheet limits (64 exercices max)
4.00-r.6514 (2013-04-19) : now cleanClass can clean a sublclass in a superclass

r.6364 (2013-02-12) : getlog can now give log connexions for exams. (option = exams)
r.6026 (2013-04-19) : optimizing getlog job, now it can render more than 500 lines of a user log
r.5967 (2012-11-13) : 2 new jobs : 
    - copyclass 
    - and getsheetstats + multiple bugs corrections
r.5802 (2012-10-18) : Correction d'un bug empechant l'ajout d'un exercice contenant des virgules dans une feuille.
r.5678 (2012-09-21) : Adds new script "adm/urldecode" : exact opposite of "adm/codeurl" script. (converts an URI string into normal string) + Corrects a bug in adm/raw putexo : now module url is well converted if sended in URI format. nb : for urldecode/codeurl works, you have to install a perl libray (liburi-perl on debian // p5-uri on Mac)
r.5672 (2012-09-19) : corrections on "getlog" job
r.5591 (2012-07-11) : Corrects a bug causing malformed single class creation
r.5305 (2012-05-25) : Udpate "Listmodules" job in json, adding translated titles for levels.   + small css update 
r.5303 (2012-05-16) : Corrects a bug causing variable $wims_supertype not set on user session + minor improvement on job "listmodules"
r.5273 (2012-04-25) : bug correction on Json format
r.5263 (2012-04-21) : loggin when users are created (like in the standard reguser)
r.5174 (2012-03-20) : trying to get the "class connection with other servers" working
r.5156 (2012-03-13) : let authuser accept external identification
r.5142 (2012-03-13) : adding missing variables,needed for ipd_method=php
r.5017 (2012-02-17) : Variable names changes: cas_host becomes cas_auth. Added
r.4999 (2012-02) : adds  auth, cas_host param for class
r.4998 (2012-02) : adds "external_auth" param for users
r.4794 (2011-12) : correction bug sur addexam + ajout d'infos sur delclass
r.4783 (2011-12) : correction bug divers (doubles quotes maintenant autorisées dans getsheet et getexam)
r.4746 (2011-11) : correcting bug on "listmodules" export in json + html correction in oef/Main
r.4687 (2011-10) : getclassesuser n'est plus lancé lorsque listclass a généré une erreur ==> messages d'erreurs plus clairs ainsi.
r.4668 (2011-10) : correcting bug on "getclassesuser"
r.4658 (2011-10) : allowing for class setup via adm/raw
r.4653 (2011-10) : listclasses does not need the list of participants

3.32-r.4641 (09/2011) :
	- New Jobs : linksheet (adds all exercices from sheet $qsheet to exam $qexam)
				 getsheetscores (gets all score from sheet $qsheet - JSON only)
				 getexamscores (gets all score from exam $qexam - JSON only)

3.31 (06/2011) :
	- New jobs : getexosheet, modexosheet
	- New script : update.exo
	GetSheet has also been modified. to get exercise list from this Job, now you have 
	  to make a script in the response type.
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3.30 (05/2011) :
	- New jobs : listexos, movexo, movexos, sharecontent
	- New script : check.exoclass
	- New output type : JSON
	GetClass has also been modified for optimization. It is no longer possible 
	  to get exercise list from this job.
	Use "listexos" instead
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3.23 (06/2010) :
	- New jobs : addexam, addexo, checkexam, delexam, delexo, download, getexam,
				 getexamlog, getexo, getexofile, getmodule, getscores, linkexo,
				 listmodules, modexam, modsheet, putexo, search
				 (some jobs are currently in beta only)
	- XML format improved (still needs work)
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3.22  (06/2009) :
   - bugs in getcvs due to !hex in scoring
   - New options for getclass (program, subcourse,. ..) 
   - New job : listclasses which gives listclasses with connection with some ident
   and rclass
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3.21  (03/2008) :
	-All outputs can be formatted according to the desire of the querying software.
	-few bugs corrected (i.e., a wrong expiration date on job addclass)
	-File jobs (getcsv, getclassfile, getclasstgz) are not sending an "Ok status" anymore, 
		they just send directly the file
	-New jobs added : checksheet,addsheet,delsheet,getsheet,listsheets
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