okay, so these aren't really that useful buy hey, why not? :)

               MMM.           .MMM
               MMMMMMMMMMMMMMMMMMM
               MMMMMMMMMMMMMMMMMMM      __________
              MMMMMMMMMMMMMMMMMMMMM    |          |
             MMMMMMMMMMMMMMMMMMMMMMM   | Ship It! |
            MMMMMMMMMMMMMMMMMMMMMMMM   |_   ______|
            MMMM::- -:::::::- -::MMMM    |/
             MM~:~   ~:::::~   ~:~MM
        .. MMMMM::. .::::. .::MMMMM ..
              .MM::::: ._. :::::MM.
                 MMMM;:::::;MMMM
          -MM        MMMMMMM
          ^  M+     MMMMMMMMM
              MMMMMMM MM MM MM
                   MM MM MM MM
                   MM MM MM MM
                .~~MM~MM~MM~MM~~.
             ~~~~MM:~MM~~~MM~:MM~~~~
            ~~~~~~==~==~~~==~==~~~~~~
             ~~~~~~==~==~==~==~~~~~~
                 :~==~==~==~==~~

notably, this also updates client.Do() to handle non-JSON response
bodies by passing an io.Writer as the final argument, v.