change your old migration files and insert the full path to custom field classes
in the ``models`` dictionary entries, to prevent future issues.
+Finally, migration names must now not contain any dashes (or other characters
+invalid in Python module names) - if they do, you'll need to rename them and
+also fix the appropriate entries in your south_migrationhistory table.
- Simon Law, who wrote most of the migration refactor and now knows too much about how our dependencies work
- `Torchbox <http://www.torchbox.com>`_, who sponsored Andrew's work on the startmigration refactor, the rest of the migration refactor, and a lot of other small things.
- Ilya Roitburg, who contributed the Oracle database module.