Sphinxcontrib-needs

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* Improvement: :ref:`dynamic_functions` are now available to support calculation of need values.
* Improvement: :ref:`needs_functions` can be used to register and use own dynamic functions.
* Improvement: Added :ref:`needs_global_options` to set need values globally for all needs.
* Improvement: Added :ref:`needs_hide_options` to hide specific options of all needs.
* Bugfix: Removed needs are now deleted from existing needs.json (`68 <https://github.com/useblocks/sphinxcontrib-needs/issues/68>`_)
* Removed: :ref:`needs_template` and :ref:`needs_template_collapse` are no longer supported.

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* Bugfix: Fix for changes made in 0.2.5.

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* Bugfix: Fixed performance issue (`63 <https://github.com/useblocks/sphinxcontrib-needs/issues/63>`_)

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* Improvement: Titles can now be made optional. See :ref:`needs_title_optional`. (`49 <https://github.com/useblocks/sphinxcontrib-needs/issues/49>`_)
* Improvement: Titles be auto-generated from the first sentence of a requirement. See :ref:`needs_title_from_content` and :ref:`title_from_content`. (`49 <https://github.com/useblocks/sphinxcontrib-needs/issues/49>`_)
* Improvement: Titles can have a maximum length. See :ref:`needs_max_title_length`. (`49 <https://github.com/useblocks/sphinxcontrib-needs/issues/49>`_)

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* Improvement: The sections, to which a need belongs, are now stored, filterable and exported in ``needs.json``. See updated :ref:`option_filter`. (`53 <https://github.com/useblocks/sphinxcontrib-needs/pull/53>`_ )
* Improvement: Project specific options for needs are supported now. See :ref:`needs_extra_options`. (`48 <https://github.com/useblocks/sphinxcontrib-needs/pull/48>`_ )
* Bugfix: Logging fixed (`50 <https://github.com/useblocks/sphinxcontrib-needs/issues/50>`_ )
* Bugfix: Tests for custom styles are now working when executed with all other tests (`47 <https://github.com/useblocks/sphinxcontrib-needs/pull/47>`_)

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* Bugfix: Sphinx warnings fixed, if need-collapse was used. (`46 <https://github.com/useblocks/sphinxcontrib-needs/issues/46>`_)
* Bugfix: dark.css, blank.css and common.css used wrong need-container selector. Fixed.