[stdlib-sig] futures - a new package for asynchronous execution

[Antoine Pitrou]

> I'd gladly add this API (or some flavor of it) into multiprocessing,
> as I do see it as a logical extension to the API itself. Just like
> multiprocessing has pool/etc

I agree that it can make sense as an additional facility to run parallel
tasks (like the shortcut functions in the subprocess or commands
modules). It should probably stay minimal then.

Regards

Antoine.