Implement WebDriver forms, viewsource, & noops.

Allow 'clicking' links both via Selenium & the web browser.

Support searching for links by label, both in JSON & HTML interfaces

Show syntax-highlighted start tags for elements in HTML UI.

Allow navigating (tab) history.

Allow testing reloading of webpages.

Refactoring, allowing reading which URL was loaded.

Allow loading webpage, commit missing files.