Concurrency story

[TylerLeonhardt]

Right now, I'm managing 1 runspace which isn't enough considering we want to handle multiple requests.

[joeyaiello]

Can we get an enumeration of our current status on this one? I know this was some discussion around:

• 24 simultaneous incoming connections (sounds like this isn't a hard requirement, but we should do some validation around the "graceful upscaling" of Windows consumption)
• "parallel foreach" from within a function (if we think this is important, we should open another issue around it)

[joeyaiello]

Wrt the first one, let's get a design started for runspace pooling with possible implementation to come later.

Wrt the second one, let's put ThreadJob back in the worker.

[daxian-dbw]

Closed via #123