Logging excepthook: print exception info if debug=True

Exception info is only printed by this function if verbose=True.
Since debug is considered a log level with more information than
verbose (INFO), exception info should also be printed when only
debug=True.

Change-Id: I349dc76320911600accc2acdb02d9d94710cfc85
Sort requirements.txt to be more readable

Sort file requirements.txt as we did in file test-requirements.txt.

Change-Id: Ie28f21c37c47090c97ee4c047ce440af4f57dbea
Merge "Logging excepthook: print exception info if debug=True"
Merge "Sort requirements.txt to be more readable"