Fix the code so that student_id is always a string.
implement object identity, and first round of tests
Now it's possible to request specific views from the workbench URL.
provide caching for object identity
Tweak docstrings.
XBlock.load_tagged_classes will give you classes with particular tags.
Add a test of a handler, refactor how scenarios work to simplify tests.
Add selenium LiveTestServer tests for thumbs
Fix case in comments.
Merge pull request #8 from edx/feature/brian/object-identity

Feature/brian/object identity
Maybe the final change to how student_id is handled so it work properly?
Update README with info on testing.
Add display_name to Fields.
Add example of display_name being set.
Merge pull request #11 from edx/feature/christina/display_name

Add display_name to Fields.
Merge pull request #10 from jzoldak/feature/zoldak/LiveServerTestCase

Add selenium LiveTestServer tests for thumbs
fix ModelType to deal with json conversion, and add test
Fix up Jay's hackathon comments, and other clarifications and modularities.
Merge pull request #12 from edx/fix/brian/object-cache

fix ModelType to deal with json conversion, and add test
Add values and validate to Fields.