- add basic phpspec config
- add basic spec for bucket
- add phpspec to composer-req-dev
- intial spec for item
- cleanup item; basic structure
- change bucket push to put
- fix composer.json
- first tests specified
- on specifing addChild
- fix validate int for 0
- make some constructor args optional --> set default values
- remove phpspec tests
- rewritten phpspec to phpunit - tests
- remove phpspec from composer dev-dependency
- add findByLabel + tests
- introduce integration tests
- remove PHP 5.3
- change requirements to php 5.4
- add hasChildren
- fix bug in wrong setting of left and right values
- add renderer + tests
-reactivate hydrate
- guard max level
- refactoring renderer-api
- reduce rendering to max level (still pending)
- add optional collection-params to filter-functions
- change renderer to use optional params