Create method to choose a question randomly
Submit the question again if no answer has been provided
Merge branch 'master' of https://github.com/vdaguenet/hackathon
Add an answer method to the test controller
Add a cancel action
Add a function to clear the session vars
Fix bug with total question that are hard coded.
Add method to retrieve the result
Remove session information when the test as been completed
Add comments
Add some errors verifications and comments
Fix bug
Merge branch 'master' of https://github.com/vdaguenet/hackathon