Running rules
- --apply=foo
- Read rules from foo, apply to store, adding conclusions to store
- --rules
- Apply once the rules in the store to the store, adding conclusions to
the store
- --filter=foo
- Apply rules in foo to the store, REPLACING the store with the
conclusions
- --think
- Apply rules in the store to the store, adding conclusions to the
store, iteratively until no more conclusions made
