make human tool callable

[rolandtannous]

Is your feature request related to a problem? Please describe.
Need to make human tool usable on a front-end

Describe the solution you'd like
make the prompt and input functions callable so the tool can be passed functions linked to interaction with human on the frontend.

Describe alternatives you've considered
hooking unto socketio. overly-complicated work around.

Additional context
Add any other context or screenshots about the feature request here.