- Fixed bug in comparison operator function by doing some type-checking.
- Fixed bug in comparison operator function by doing some type-checking.

- Ripped attribute ivar, methods, and accessors out of Class metaclass and
  turned them into a Mixin so they can be shared between Class and Interface
  without doing inheritance gymnastics.

--HG--
extra : convert_revision : svn%3A39a105f4-52d6-0310-bb1b-d6517044f2e4/trunk%40466

ged/mues