Added
- Support for passing filenames to `Template.load` and `Molecule.load` directly.
- Default initialization of empty `Jess` objects from an empty iterable.
- Make `Jess` implement the `Sized` abstract base class interface.
Changed
- Skip displaying default attribute values in `repr` implementation of `Atom` and `TemplateAtom`.
- Make `Jess.query` optional parameters keyword-only.