Secure-cookie

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Released 2021-08-17

- Drop Python 2 and 3.5 support. :pr:`62`
- Replace ``posixemulation`` from Werkzeug with ``os.replace``. :issue:`12`

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Released 2020-02-26

- Extracted from Werkzeug 0.15.
- Dropped support for Python 3.4.
- ``SessionMiddleware`` sets ``secure_cookie.session`` in the environ
instead of ``werkzeug.session``.
- ``FilesystemSessionStore`` uses the filename template
``secure_cookie_%s.session`` instead of ``werkzeug_%s.sess``.
- ``SecureCookie.serialization_method`` is ``json`` instead of
``pickle``. To upgrade existing tokens, override ``unquote`` to try
``pickle`` if ``json`` fails.