fix urlparse import
Update logging.rst
Merge pull request #347 from loisaidasam/patch-1

Update logging.rst
Merge pull request #346 from mgax/flask-py3

fix urlparse import
Improve logging documentation around stack capturing
Update logging.rst
Merge pull request #348 from loisaidasam/patch-2

Update logging.rst
Merge remote-tracking branch 'upstream/master' into id-changes