Added function idAnon2ExtByCourse(), which is the old idAnon2Ext(), which took two parameters: anon_screen_name, and a course name. So does this new function. The original idAnon2Ext() now just takes an anon_screen_name, and returns the global LTI.
Added function idAnon2ExtByCourse(), which is the old idAnon2Ext(), which took two parameters: anon_screen_name, and a course name. So does this new function. The original idAnon2Ext() now just takes an anon_screen_name, and returns the global LTI.

paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation,paepcke/json_to_relation