+ - fix infinite recursion if an isa check fails due to another isa check
+ (RT#87575)
+ - fix Sub::Quote and Sub::Defer under threads (RT#87043)
+ - better diagnostics when bad parameters given to has
+
+1.003000 - 2013-07-15
+ - fix composing roles that require methods provided by the other (RT#82711)
+ - document optional use of Class::XSAccessor with caveats
- fix constructor generated when creating a class with
create_class_with_roles when the superclass constructor hasn't been
generated yet