This release fixes a JavaScript injection problem.
The server no longer freezes when browsers open a connection without sending the HTTP request. Questions have now an attribute to define the maximum time allowed to answer the question. There is an experimental plugin that allows you to automatically evaluate the difficulty level of questions and the level of students by analyzing the student's answer time.
This release add many functionalities. Teachers can now grade and comment on students' answers. The "Teacher" role has been split into multiple roles to simplify the user interface. It is now possible to define a maximum working time and the session start/stop time per student.
