Features
- up: Improve error messages when converting from protobuf #129 (Arthur Bit-Monnot)
- planning: Support non-symbolic parameters in tasks and actions. #129 (Arthur Bit-Monnot)
Performance Improvements
- explain: Make sure that explanation memory usage is linear in the number of resolved literals. #136 (Arthur Bit-Monnot)
Tests
- sched: Add test case for issue #135 #136 (Arthur Bit-Monnot)
Chores
- fix clippy lints #129 (Arthur Bit-Monnot)
- add back
LitSet
improvements removed by revert. #136 (Arthur Bit-Monnot)