The scoring now works. :)

scoresDBAdapter.N has the no. of questions
You have to call scoresDBAdapter.getscores() once
performance stored in scoresDBAdapter.perf
scoresDBAdapter.score has the score.


Signed-off-by: bazookan <aby.vinod@gmail.com>
Scoring working (almost) Need to find an effective way to delete
elements.

Signed-off-by: bazookan <aby.vinod@gmail.com>