0.5.0 2019-05-20 New York, NY, USA

Add solutions to problems:
- 111
- 148
- 359
- 662
- 666
Performance improvements to some solutions
OCamlformat all the things!
Switch from Core.Command to Cmdliner for CLI interface
- Solutions are now run by the run command, not top-level commands.
- Solutions can be listed by the list command.
Upgrade to Jane Street libs v0.12.0
Use Base-style map and set interfaces, preparing to reduce the dependencies to just Base where possible.

0.4.0 2018-11-17 New York, NY, USA