Required lots of rework since the GOBChannel appeared to be reading
ahead of the data it actually needed. Now using more low-level IO
to send the clientId over to the agent instead.
Protocol version is now checked when the agent connects to the converge server.
Next up: sending connection metadata and username password from server to agent and sending environment information back to the server. This means then that the side channel will only be used for expiry time messages and session type with the client id passed in so the converge server can than correlate the results back to the correct channel.
