fix failing integration (test_stevedore) test on windows because of an unreleased handle on the current directory
Added tag 5.4.2 for changeset 7adcf1397f6e
Bumped to 5.4.3 in preparation for next release.
Correct syntax in gui_scripts. Fixes #238.
Testing fix for pytest-555
Indicate upgrade to test pytest-555
Include setup_requires directive in Distribution attributes and metadata. Fixes #239.
Correct documentation
Merged in davidoff/setuptools-fix-failing-integration-test (pull request #68)

Fix failing integration (test_stevedore) test on windows because of an unreleased handle on the current directory
Bumped to 5.5 in preparation for next release.