Added in the ability for the Selenium 2 driver to get the window names of open windows. Related directly to: https://github.com/Behat/Mink/pull/341
Changed $this->session to $this->getSession().
Added in a new test to make sure that functionally the getWindowName functions work.
Updated some documentation.
Removed a duplicate test.
Updating php-webdriver to latest version

This latest version provides a fix for a breaking change in Selenium's WireProtocol

New specs: https://code.google.com/p/selenium/wiki/JsonWireProtocol#/session
Change in Selenium: https://code.google.com/p/selenium/source/detail?r=8c3c65772d57
Relevant update in php-webdriver: https://github.com/instaclick/php-webdriver/commit/10dcea308e5cf4c182c8fd0ca7f8381aefc4a416
Merge pull request #85 from adamdunkley/update-php-webdriver

Updating php-webdriver to latest version
Add missing semicolons in Selenium2Driver::selectOption()

Otherwise Selenium 2 screams 'missing ; before statement'
Merge pull request #86 from filipsalpe/patch-1

Add missing semicolons in Selenium2Driver::selectOption()
Adding a check for the new methods in the session object before trying to actually use it.
Removed unneeded return calls.
Merge pull request #55 from pthurmond/master

Gave Selenium 2 the ability to retrieve current open window names.
Use pure JavaScript code for node attribute retrieval.
Use dev version of Mink during Travis testing.
Using `require` instead of `install` in Travis config for Composer.
Merge pull request #90 from aik099/use-dev-mink-version-in-travis-fix

Use dev version of Mink during Travis testing
Fixing window name format checking regexp in #55 related tests.
Merge pull request #91 from aik099/get-window-name-test-regex-fix

Fixing window name format checking regular expression
Merge pull request #89 from aik099/use-javascript-for-node-attribute-retrieval-feat

Use pure JavaScript code for node attribute retrieval
Use dev version of Mink during Travis testing
Improves #90.