0.16.0

whats's new in splinter 0.16.0?

• Pin Selenium < 4.0 (#930)
• Add support for Microsoft Edge (#912)
• Accept extra arguments for cookies (#895)
• Fix lxmldriver url join when form action is empty (#900)
• Use io.open() to fix encoding issues on some platforms (#904)
• allow passing options to Firefox webdriver (#892)

Backward incompatible changes

• Remove sending a list of cookie dicts to CookieManager.add() (#799)