Klein

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* [BUG] Klein now correctly handles producing resources [`30 <https://github.com/twisted/klein/pull/30>`_]
* [ENHANCEMENT] Klein now supports using tox for local testing [`36 <https://github.com/twisted/klein/pull/36>`_]
* [ENHANCEMENT] Klein has improved tests and an expanded range of test platforms [`33 <https://github.com/twisted/klein/pull/33>`_, `#35 <https://github.com/twisted/klein/pull/35>`_, `#37 <https://github.com/twisted/klein/pull/37>`_]

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* [ENHANCEMENT] Klein.handle_errors now allows the definition of custom error handling behavior. [`26 <https://github.com/twisted/klein/pull/26>`_]

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* [BUG] Klein has been updated to support the latest werkzeug release: [`21 <https://github.com/twisted/klein/pull/21>`_]
* [BUG] request.URLPath inside a handler points to the correct path. [`15 <https://github.com/twisted/klein/pull/15>`_]
* [ENHANCEMENT] IKleinRequest(request).url_for is supported: [`16 <IKleinRequest(request).url_for>`_]

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* [BUG] Remove support for implicit branch routes. [`12 <https://github.com/twisted/klein/pull/12>`_]
* [FEATURE] Support creating Klein apps that are bound to an instance of a class. [`9 <https://github.com/twisted/klein/pull/9>`_]

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* Include headers when handling werkzeug HTTPExceptions.

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* Initial release