- Add the properties of `adnomominal_events` and `sentential_complement_events` to `Argument` and `Predicate`.
6.1.5
- Small bug fix. - Use isort, a code formatter for import statements.
6.1.4
- Reduce debug printing. - Fix a bug in the process to add special marks to events' text. - Use poetry for package management. - Apply black, a code formatter.
6.1.3
Changed - Renamed Token to BasePhrase.
Fixed - Fixed the logic to merge modifier events.
6.1.2
Fixed - Fixed a bug in the logic to normalize event strings. - Fixed a bug in the logic to add "|" marks.