------------------
New features:
- Add new option 'threads' used to specify the number of workers for both
waitress + ZServer, and a deprecation warning for 'zserver-threads'.
[tschorr]
- Add support for Python 3.7 while dropping official support for Python 3.5.
(`60 <https://github.com/plone/plone.recipe.zope2instance/issues/60>`_)
Bug fixes:
- Make comments in zcml values work, even if not starting at the beginning of the line;
before, we had a confusing error message. Fixes 46
[tobiasherp]
- Fixed serving Plone with WSGI when ZServer is also installed on Python 2.
[davisagli]
- Remove `path` option from zope.conf generated when using WSGI as it is no longer understood.
[icemac]
- Remove `deprecation-warnings` option from zope.conf generated
when using WSGI as it is no longer understood.
[davisagli]