Fixed the composer requirement to allow 1.6
Fixed the evaluation of JS scripts
Skipped HTML5 form attribute tests as it is not supported by Zombie.js
Merge pull request #62 from stof/skip_html5_tests

Skipped HTML5 form attribute tests as it is not supported by Zombie.js
Tried to fix the evaluation of self-executing function without braces
Merge pull request #61 from stof/evaluate_script

Fixed the evaluation of JS scripts