[MERGE][1.2][#185394] Disconnect and reconnect the smart medium after getting "unknown method" error from server if a request body was sent.

[Andrew Bennetts]

Vincent Ladeuil wrote:
[...]
> 
>     john> Andrew is working on an upgrade to the protocol to make
>     john> the server handle unknown requests in a cleaner way
>     john> (his V3 proposal from a while ago.)
> 
> Never find the time to reply to that :-/
> 
> But my feeling was that this went in lengh-prefixed direction and
> that was the most important point for me.

Yes, there's length-prefixing.  Requests/responses will also explicitly state if
they have a body, so servers (and clients) will be able to fully consume them
even if they don't recognise the method name.  

-Andrew.