* Update test data for valid-dictionary1
* Use valid-dictionary1 instead of valid-dictionary2
* Update test data
* Remove test of valid-dictionary2
* Remove valid-dictionary2 data
* Add part of speech info to headwords
* Expose parts of speech to Anki template rendering
* Expose parts of speech
* Update pitch accent categories
* Update docs
* Add part-of-speech
* Update options and tests
* Update markers
* Update test data