Updated browsable interface

Updated browsable interface

Added RawBody method

Bugfix.

Requests can now be rate limited to ms between each request.

Decoding can now be applied after a page is fetched, if the browser h…

…as any encoding set.

Build is now done only against go@tip

Merge pull request headzoo#62 from ethankent/master

Fix typo

Changelog update

Small change to docs