Merge CP #4 (error codes) into CP #1 (foundational)

[eldonmetz]

Merge CP #4 text into CP #1, updating sections as necessary due to changes in structure and content in current state of foundational CP.

[bilhar97]

Starting on this now.

[eldonmetz]

Starting on this now.

Excellent! I can make time this afternoon to assist if you need it.

[bilhar97]

Starting on this now.

Excellent! I can make time this afternoon to assist if you need it.

Thanks. I'll send another message with status when I'm done. This is the only time I can work on this prior to Friday's PCIM meeting (which I may miss, since I'm on vacation this week).

[bilhar97]

Pull request available for review.