Support revoking tokens

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So in my application I want to be able to revoke user tokens when they log out. While I could just delete the tokens this does leave some potential security issues and leaves my app onto their authorized apps page.

I don't know much about how rfc:s and such work but revoking seems to be described in RFC7009 the process is also described in the Reddit api docs.

Now I don't know if this stuff is in spec or not and I don't know how well it's supported on other services but I would appreciate having revoking as a feature.