Pypicloud

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* Fix: Support ``auth.profile_name`` passing in a boto profile name (:pr:`172`)
* Fix: Uploading package with empty description using twine crashes DynamoDB backend (:issue:`174`)
* Fix: Config file generation for use with docker container (using %(here)s was not working)
* Use cryptography package instead of horrifyingly old and deprecated pycrypto (:issue:`179`)
* Add ``storage.public_url`` to S3 backend (:issue:`173`)

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* Fix: Download ACL button throws error in Python 3 (:issue:`166`)
* New access backend: AWS Secrets Manager (:pr:`164`)
* Add ``storage.storage_class`` option for S3 storage (:pr:`170`)
* Add ``db.tablenames`` option for DynamoDB cache (:issue:`167`)
* Reduce startup race conditions on empty caches when running multiple servers (:issue:`167`)

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* Fix: Fix SQL connection issues with uWSGI (:issue:`160`)
* Miscellaneous python 3 fixes

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* Fix: uWSGI hangs in python 3 (:issue:`153`)
* Fix: Crash when using ``ppc-migrate`` to migrate from S3 to S3
* Add warnings and documentation for edge case where S3 bucket has a dot in it (:issue:`145`)
* Admin can create signup tokens (:issue:`156`)

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* Fix: Hang when rebuilding Postgres cache (:issue:`147`)
* Fix: Some user deletes fail with Foreign Key errors (:issue:`150`)
* Fix: Incorrect parsing of version for wheels (:issue:`154`)
* Configuration option for number of rounds to use in password hash (:issue:`115`)
* Make request errors visible in the browser (:issue:`151`)
* Add a Create User button to admin page (:issue:`149`)
* SQL access backend defaults to disallowing anonymous users to register

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* Support for LDAP anonymous bind (:pr:`142`)
* Fix a crash in Python 3 (:issue:`141`)