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Upgrade notes: :ref:`upgrade_0-9-0`
Feature:
* Add fields ``level`` and ``label`` to :ref:`tagtreemodel` (were properties)
* Add ``TagTreeModel.get_siblings()``
* Add :ref:`tagtreemodel_queryset` methods ``with_ancestors()``,
``with_descendants()`` and ``with_siblings()``
* Add :ref:`option_space_delimiter` tag option to disable space as a delimiter
* Tagulous available from pypi as ``django-tagulous``
* :ref:`TagModel.merge_tags <tagmodel_merge_tags>` can now accept a tag string
* :ref:`TagTreeModel.merge_tags <tagtreemodel_merge_tags>` can now merge
recursively with new argument ``children=True``
* Support for recursively merging tree tags in admin site
Internal:
* Add support for Django 1.9a1
* ``TagTreeModel.tag_options.tree`` will now always be ``True``
* JavaScript ``parseTags`` arguments have changed
* Added example project to github repository
Bugfix:
* ``TagRelatedManager`` instances can be compared to each other
* Admin inlines now correctly suppress popup buttons
* Select2 adaptor correctly parses ajax response
* :ref:`tagmeta` raises an exception if :ref:`option_tree` is set
* Default help text no longer changes for :ref:`model_singletagfield`