Log Message:
py-setuptools: updated to 40.0.0

v40.0.0
Drop support for Python 3.3.
In package_index, fixed handling of encoded entities in URLs.
In pkg_resources VendorImporter, avoid removing packages imported from the root.
Minor doc fixes after actually using the new release process.
Removed section on non-package data files.
Fix developer's guide.
Fix PEP 518 configuration: set build requirements in pyproject.toml to \ 
["wheel"].