Merge pull request #58 from stephaniefaureadfab/develop

fix error which was not shown by phpcs 1.3.4
getQuestion order by postion ASC
Merge pull request #59 from thomaroger/troger-question-order

getQuestion order by postion ASC
Merge branch 'develop' of https://github.com/gregorybesson/PlaygroundGame into develop
remove useless commented function