Minor - format code
Updating chash
Updating chash
Comment commands.
Minor - adding nice buttons.
Removing unused classes.
Fixing page in order to work correctly in 1.10
Teacher can add sessions if setting is on see BT#4296
Fixing PHP warnings
Fixing PHP warning.
Fixing PHP warnings.
Updating chash.
Fixing session 'complete' list
Added copy of subscribe_users option to learnpath copy - refs BT#5765