Core: fixed setup.py to parse some git datetime variations correctly. `git show -s --format=%ci` could produce output that was not being parsed correctly into a datetime_object.
Core: fixed setup.py to parse some git datetime variations correctly.
`git show -s --format=%ci` could produce output that was not being parsed correctly into a datetime_object.

spirit-code/spirit,spirit-code/spirit,spirit-code/spirit,spirit-code/spirit,spirit-code/spirit,spirit-code/spirit