git-ignore further changes on manually maintained results HTML.
Removed early termination of test run in case enough wrong answers were given by professional's request.
Now the user input phase is split in two. At first, the user can only input the answer in a limited time frame. After that, if he gave an answer, he can mark it as incorrect for the remainder of the two phases part's duration.
Replaced error detection notice in views with a more sophisticated input phase order.
Hide blood tube and tube box if the user gave no answer and has to wait for their "too slow"-feedback / next question
Defense against null.
Do not forget the last answer's evaluation when saving.