Set Referrer to loaded website
Currently the Tor Browser's Referrer is left empty. The problem with this is it breaks navigation for some webpages, ie, you can't go back to the previous webpage using the Browser's Back button. Instead, the Referrer should be set to the website being navigated to. So, for example, if a person clicks on a link for the website "www.xyz.com" the Referrer should be set to "www.xyz.com." The same thing for websites typed into the URL bar. This will prevent navigation between webpages from becoming broken.