Merge pull request #38 from OlegIlyenko/master

Listening to Player events
Merge pull request #39 from OlegIlyenko/master

Fixing the tests
ugly code please do not judge me
Merge pull request #40 from agourlay/master

ugly code please do not judge me
scorer uses now helper method of models.Task to obtain task score
Merge pull request #41 from uberwach/master

scorer uses now helper method of models.Task to obtain task score