Julian/jsonschema — pull request #35 by gazpachoking (2012-09-27 00:27:09+00:00)
Title: Fix additionalItems behavior when items is not in tuple form.

Made a quick [test runner](https://github.com/gazpachoking/jsonschema/blob/json_tests/tests.py#L101) for the new json validation tests and already found an issue.

The spec states that `additionalItems` should not do anything when `items` is not in tuple form. Fixed this behavior and added an old style test for now. This also showcased an issue with the error message checking (and error message generation) for additionalItems which I also fixed.