outlook.py: loadMailsFromFolder now returns self.result instead of yield None. Otherwise nothing would be returned.
Added doctest outlook_real.txt which uses the Outlook API.
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2534 fd906abe-77d9-0310-91a1-e0d9ade77398