0.15.0

Added

• forest.get_first_tree() for efficiently unpacking tree 0 7cb006c.
• forest.disambiguate(callable) for removing ambiguities from the forest f4664af.
• Greedy repetitions (*!, +!, and ?!) 517d33e.

Changed

• Make Parent iterable over possibilities 57606c9.

Fixed

• Fix parse tree iteration and indexing 6947942.
• Fix passing sub-results in dynamic filter 65a1cbf.