1.3.0

BC break:

• Dropped support for Symfony 2.2 and older
• Bumped required PHP version to 5.3.6

New features:

• Updated the driver to use findElementsXpaths for Mink 1.7 and forward compatibility with Mink 2

Bug fixes:

• Improved the exception message when clicking on an invalid element
• Use saveHTML to get correct HTML code back

Misc:

• Updated the repository structure to PSR-4