Zope2 2.13.29 released

On behalf of Zope developer community I am pleased to announce the
release of Zope2 2.13.29.

This release contains a security related fix and two new features.
Additionally it drops support for Python 2.6. This means it is no longer tested from now on.

See details at

To install the new version see the instructions for
either zc.buildout: https://zope.readthedocs.io/en/2.13/INSTALL-buildout.html
or virtualenv: https://zope.readthedocs.io/en/2.13/INSTALL-virtualenv.html