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New features:
- Add new contextnavigation endpoint.
[tiberiuichim] (1042)
- Refactor navigation endpoint, add new ``nav_title`` attribute
[sneridagh] (1047)
- Add nav_title attribute to breadcrumbs endpoint
[sneridagh] (1049)
- Unify nav_title and title in navs
[sneridagh] (1051)
Bug fixes:
- Fix ``id`` when content query has no ``fullbojects``
[sneridagh] (837)