[behave] 1.2.3 version bump

Closes #801.

Package-Manager: portage-2.1.12.2
Manifest-Sign-Key: C0174749
[behave] 1.2.0 version bump

Closes #802.

Package-Manager: portage-2.1.12.2
Manifest-Sign-Key: C0174749
[docformatter] Added deprecation notice

Closes #803, refs #751.