Remove PDF options for old HTMLDOC
Referral Log output to PDF
DuplicateAttendance rework

-Remove BackPrompt()
-reindent code
-take in account Search params for GetStuList
Remove BackPrompt
Moodle errors fix
Remove BackPrompt (2)
Remove BackPrompt (3)
Remove BackPrompt (4)
Remove BackPrompt (5)
Update translations

-remove "Some dates are not valid"
Remove BackPrompt (6)