Changes for version 0.11
- Add : It is now possible to specify a re::engine::Plugin object destructor by passing the 'free' option either to re::engine::Plugin->import or to $re->callbacks.
- Chg : A large chunk of boilerplate XS code, which is also used in other XS modules, has been factored out of the main .xs file to a collection of .h files in the xsh subdirectory.
- Fix : A couple of memory leaks have been plugged.
- re::engine::Plugin - API to write custom regex engines
- re::engine::Plugin in Plugin.pm