Chalice

* enhancement:rest-api:Add CORS headers to error response (715)
* bugfix:local:Fix parsing empty query strings in local mode (767)
* bugfix:packaging:Fix regression in ``chalice package`` when using role arns (793)

<http://chalice.readthedocs.io/en/latest/upgrading.html#v1-2-0>`__
for more detailed information about upgrading to this release.



* enhancement:rest-api:Print out full stack trace when an error occurs (711)
* enhancement:rest-api:Add ``image/jpeg`` as a default binary content type (707)
* feature:event-source:Add support for AWS Lambda only projects (162, 640)
* bugfix:policy:Fix inconsistent IAM role generation with pure lambdas (685)
* enhancement:deployment:Rewrite Chalice deployer to more easily support additional AWS resources (604)
* feature:packaging:Update the ``chalice package`` command to support
pure lambda functions and scheduled events. (772)
* bugfix:packaging:Fix packager edge case normalizing sdist names (778)
* bugfix:packaging:Fix SQLAlchemy packaging (778)
* bugfix:packaging:Fix packaging abi3, wheels this fixes cryptography 2.2.x packaging (764)

* feature:CLI:Add ``--connection-timeout`` to the ``deploy`` command (344)
* bugfix:policy:Fix IAM role creation issue (565)
* bugfix:local:Fix `chalice local` handling of browser requests (565)
* enhancement:policy:Support async/await syntax in automatic policy generation (565)
* enhancement:packaging:Support additional PyPi package formats (.tar.bz2) (720)

* enhancement:rest-api:Default to ``None`` in local mode when no query parameters
are provided (593)
* enhancement:local:Add support for binding a custom address for local dev server (596)
* bugfix:rest-api:Fix local mode handling of routes with trailing slashes (582)
* bugfix:config:Scale ``lambda_timeout`` parameter correctly in local mode (579)
* feature:CI-CD:Add ``--codebuild-image`` to the ``generate-pipeline`` command (609)
* feature:CI-CD:Add ``--source`` and ``--buildspec-file`` to the
``generate-pipeline`` command (609)

* bugfix:packaging:Fix issue deploying some packages in Windows with utf-8 characters (560)
* feature:packaging:Add support for custom authorizers with ``chalice package`` (580)

* bugfix:packaging:Fix issue with some packages with `-` or `.` in their distribution name (555)
* bugfix:rest-api:Fix issue where chalice local returned a 403 for successful OPTIONS requests (554)
* bugfix:local:Fix issue with chalice local mode causing http clients to hang on responses
with no body (525)
* enhancement:local:Add ``--stage`` parameter to ``chalice local`` (545)
* bugfix:policy:Fix issue with analyzer that followed recursive functions infinitely (531)