Use @dev versions of dependencies during development.
Ability to submit forms.
Replaced tabs with spaces.
Added more symfony versions for the Travis tests
Rearranging code to have all private methods in one group.
Sorting $_POST array output in `advanced_form_post.php`.
Merge pull request #27 from aik099/use-dev-mink-version-in-development-fix

Use @dev versions of dependencies during development
Merge pull request #30 from aik099/sort-arrays-in-output-fix

Sorting $_POST array output in `advanced_form_post.php`
Removing old code, that made `testLinks` test fail.
Method `getAttribute` of a driver now return `null` only, when attribute is missing.
Adding support for `option` selected state checking.
Merge pull request #33 from aik099/driver-is-selected-feat

Adding support for `option` selected state checking via new `isSelected` method of a driver
Merge pull request #32 from aik099/missing-attribute-processing-fix

Stable missing attribute handling
Merge pull request #28 from aik099/form-submit-feat

Ability to submit forms
Removing Symfony 2.1 from Travis build matrix, because it’s too old to keep compatibility with it.
Merge pull request #31 from aik099/testLinks-test-fix

Removing old code, that made `testLinks` test fail
Fake the SCRIPT_FILENAME server variable to allow the base URL to be correctly guessed
Test base URL
Merge remote-tracking branch 'origin/kernel_base_url' into kernel_base_url