use a better api for this test
make sure attributes are initialized when extending non-mop classes
remove some unnecessary tests
refaddr is better here, to avoid "" overloading
add test for multiple binds to the same event
add coveralls support
test unbind
more extensive tests for extending_non_mop
tests for dump_object
__SUB__ is broken with Devel::Cover, so skip this test
test different instance types for repr
Merge branch 'master' into xs