CHANGES:
- Reinstate olly latency command. (#86, @tmcgilchrist)
- Avoid overriding the user's OCAMLRUNPARAM settings. (#83, @gasche)
- Remove help subcommand, as it relies on cmdliner internals. (#81, @theAlexes)
- Fix cmdliner 2.0 compatibility. (#80, @krfantasy)
- Log path when create_cursor raises an exception. (#66, @tmcgilchrist)
- Add option to specify runtime events dir and log size. (#66, @tmcgilchrist)