grokcore.content 5.0

Replace pkg_resources namespace with PEP 420 native namespace.

Add support for Python 3.12, 3.13.

Drop support for Python 3.7, 3.8.

Drop support for deprecated python setup.py test.

Add support for Python 3.7, 3.8, 3.9, 3.10, 3.11.

Drop support for Python 2.7, 3.4, 3.5, 3.6.

Rearrange tests such that Travis CI can pick up all functional tests too.

Fix dependencies by removing ZODB3.

Use zope.interface.implementer decorator instead of zope.interface.implements with classes to support Python 3.

Express support for Python 2.7, 3.4 and 3.5 and 3.6,

Use tox for test orchestration.

Update tests.

Fix updateOrder that would create a new PersistentList object in the database each time the order is updated.

Introduce ObjectEditedEvent which is meant to used when the attribute of an object are edited. This makes possible to easily distinguish it from generic and container modification operations.

Fix a bug where the OrderedContainer could get corrupted in case updateOrder() would have been called with a list containing multiple occurrences of a existing key in the mapping.

Use newer grokcore.component.

Made package comply to zope.org repository policy.

Created grokcore.content in January 2010 by factoring basic component base classes out of Grok.