Hand-crafted C implementation

[michaelklishin]

If we want to squeeze as much performance as possible, we need to make C implementation hand-crafted and not generated. That does not make things significantly more time-consuming or error-prone, though. Worth giving a shot.

[thedrow]

Can't we generate the binding to librabbitmq's implementation instead?

[michaelklishin]

@thedrow librabbitmq may or may not be particularly easy to embed. Our experience on rabbitmq-users suggests it also needs a lot of work before it can be considered a complete, polished and mature library.