Installed South!

In order to use it, you will need to run:

    pip install South
    python manage.py schemamigration orgo --initial
    python manage.py migrate orgo

Thenceforth, you may run migrations using:

    python manage.py schemamigration orgo --auto
    python manage.py migrate orgo
stuff
Aesthetic fixes to models.py; moved some docstrings
Merge branch 'master' of https://github.com/csvoss/carbonate
Added migrations folders to .gitignore
Merge branch 'master' into parsergenerator
Additional parser debugging

Working through shift-reduce errors. Next up: making a major refactor to
the grammar, seeing if that will help.
Well, double bonds are working now

But branching isn't. Shift/reduce errors all removed, but branching is
still... not... working...
Some debugging. Branches work, double bonds work, but rings are problematic...
toSmiles now does not include whitespace in canonical