Version 3.12.0

Bug fixes:

• handle symmetric, non-canonical predicates correctly
• add error handling in log_request()

New features:

• profiling utility
• use node binding qnode_id field for unbatching
• naive "unbatching" for trivial single-query batches

Improvements:

• computational improvements to message merging

Updates:

• remove ChemicalSubstance shims
• upgrade reasoner-pydantic