After validations fail scroll to the first error
Merge pull request #34 from HeHStudy/2059--scroll-page-to-show-errors

Scroll page to show errors. Resolves HeHStudy/HeH#2059.
Remove responses when a question is hidden
removing logs
Merge pull request #35 from HeHStudy/remove-responses-for-hidden-questions

Remove responses for hidden questions
Display integers as numbers for fixing maxlenght