New features:
- Improve vocabulary endpoint when asking for a list of tokens adding
resilience and deprecation warning sneridagh (1298)
- Expandable params as list and deprecations for list as comma
separated sneridagh (1300)
Bug fixes:
- Do not break in recursive transition when children already are in
destination state. cekk (1291)
- Resolve the bulk of deprecation and resource leak warnings when
running the full test suite. rpatterson (1302)