Merge pull request #78 from allenai/fix_open_containers_simplification

Fix open containers simplification

Patch release. 1.2.1

Update changelog, Readme, JAR.

Merge pull request #44 from allenai/task_name

Bring parity between paper and code w.r.t. task IDs and names.

Bugfix release. 1.1.1

Bump minor version because of recent breaking changes.

Merge pull request #8 from allenai/add_versioning

Add __version__ to the API

Merge pull request #7 from allenai/bug-gold-missing-referent

Bug: missing some referents in gold paths