New for 0.10.0:

* current_url now more closely matches the behavior of Selenium
* custom MAKE, QMAKE, and SPEC options can be set from the environment
* BUG: Selected attribute is no longer removed when selecting/deselecting. Only the property is changed.

New for 0.9.0:

* Raise an error when an invisible element receives #click.
* Raise ElementNotDisplayedError for #drag_to and #select_option when element is invisible.
* Trigger mousedown and mouseup events.
* Model mouse events more closely to the browser.
* Try to detech when a command starts a page load and wait for it to finish