^^^^^^^^^^^^^^^^^^^^
- Internal change: convert documents to dicts during insertion
(see `pull request 256 <https://github.com/msiemens/tinydb/pull/256>`_)
- Internal change: use tuple literals instead of tuple class/constructor
(see `pull request 247 <https://github.com/msiemens/tinydb/pull/247>`_)
- Infra: ensure YAML tests are run
(see `pull request 252 <https://github.com/msiemens/tinydb/pull/252>`_)