1.1.0

Per #6, relax (remove!) the typehints against PSR-7, as there is nothing in
this library that actually requires anything from PSR-7.

1.0.0

This is the first stable release.

First beta release.

First beta release.

• ActionHandler::resolve() now handles empty specifications
• ActionHandler now throws an exception when the responder cannot be resolved

Initial release

Initial release.