[CHANGES]
- An attribute in a subclass can now override the value of "is"
(Moose 1.07 feature)
- Remove long deprecated methods:
_create_args(), compute_all_applicable_attributes(),
and clone_instance()
[BUG FIXES]
- Fix tests that misused test functions. This problem was revealed
by Test::Builder2
- Improve C++ compatibility in Mouse::XS