The version 1.1 contains fixes for:
- Reset admin IP (took survey)
- Count surveys based on cook instead of users IP 
- Minor fixes

So, for version 1.1 you just need to replace files: 
- questions.php
- survey.js
-survey.php

The files bellow did not received significat changes (just prevented direct access to it):

- ajax_add_answer.php
- ajax_add_question.php
- ajax_create_survey.php
- ajax_delete_liveSurvey.php
- ajax_delete_question.php
- ajax_delete_survey.php
- ajax_edit_question.php
- ajax_edit_survey.php
- ajax_live_changes.php
- ajax_reset_survey.php
- ajax_settings.php
- ajax_update_answer.php
- csv.php
- functions.php
- lost-password.php
- publish.php
- reset.php
- theme_handler.php
- updateOrder.php

The database did not changed.
