Committing before completely revamping storyutils.py and the encoding
scheme in general.

-Peter Mawhorter
Removed some util functions that were obsolete.

-Peter Mawhorter
Added a unit test (mostly to remind myself about the grammar of
ASP-Core-2), and started work on the new task definition code: knocked
out a basic binding that should work as well as several simple edit
types.

-Peter Mawhorter