Click

-----------

Released 2017-01-06

- Make ``click.progressbar`` work with ``codecs.open`` files.
:pr:`637`
- Fix bug in bash completion with nested subcommands. :pr:`639`
- Fix test runner not saving caller env correctly. :pr:`644`
- Fix handling of SIGPIPE. :pr:`62`
- Deal with broken Windows environments such as Google App Engine's.
:issue:`711`

-----------

Released 2016-04-04

- Fix bug in ``click.Path`` where it would crash when passed a ``-``.
:issue:`551`

-----------

Released 2016-03-24

- Fix bug in bash completion where click would discard one or more
trailing arguments. :issue:`471`

-----------

Released 2016-02-22

- Fix argument checks for interpreter invoke with ``-m`` and ``-c`` on
Windows.
- Fixed a bug that cased locale detection to error out on Python 3.

-----------

Released 2015-11-27

- Correct fix for hidden progress bars.

-----------

Released 2015-11-27

- Resolved an issue with invisible progress bars no longer rendering.
- Disable chain commands with subcommands as they were inherently
broken.
- Fix ``MissingParameter`` not working without parameters passed.