Remove an extraneous limit from #16811.

Better for switching from pulled input to output and also set real output (with no input enabled).

Co-Authored-By: Vertabreaker <opyrus@hotmail.com>

Fixes #16674

Good general concept but needs more time to develop and group with a stepper suite.

Fixes #14774

Co-Authored-By: tol2cj <tol2cj@users.noreply.github.com>

Reverting #16790 as not ready for primetime.

- Revisit this to figure out why it breaks

- Implement the equivalent of auto-build for the shell environment by using the MOTHERBOARD setting to look up the env: entries.