- improved OrderedCollection and SortedCollection koans
- refactored Zen logic (still needs work)
- display line number of failed koan
- do not display answers by default (use
script/run_and_revealto reveal answers) - removed ClassHierarchy (does not seem that important)
- refactored UI logic
- added some much needed tests around lib classes
- added a couple of tests to TestClass
- refactored tracker logic
- remove explicit self on fillMeIn
- public release