Docker-py

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* **This version introduces breaking changes!**

Breaking changes

* The default SSL protocol is now the highest TLS v1.x (was SSL v2.3 before)
(Poodle fix)
* The `history` command now returns a dict instead of a raw JSON string.

Features

* Added the `execute` command.
* Added `pause` and `unpause` commands.
* Added support fo the `cpuset` param in `create_container`
* Added support for host devices (`devices` param in `start`)
* Added support for the `tail` param in `logs`.
* Added support for the `filters` param in `images` and `containers`
* The `kwargs_from_env` method is now available in the `docker.utils`
module. This should make it easier for boot2docker user to connect
to their daemon.

Bugfixes

* Fixed a bug where empty directories weren't correctly included when
providing a context to `Client.build`.
* Fixed a bug where UNIX socket connections weren't properly cleaned up,
causing `ResourceWarning`s to appear in some cases.
* Fixed a bug where docker-py would crash if the docker daemon was stopped
while reading a streaming response
* Fixed a bug with streaming responses in Python 3
* `remove_image` now supports a dict containing an `Id` key as its `id`
parameter (similar to other methods requiring a resource ID)

Documentation

* Added new MkDocs documentation. Currently hosted on
[ReadTheDocs](https://docker-py.readthedocs.io/en/latest/)

Miscellaneous

* Added tests to sdist
* Added a Makefile for running tests in Docker
* Updated Dockerfile

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* Fixed attaching when connecting to the daemon over a UNIX socket.

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* Fixed a bug where sockets were closed immediately when attaching over
TLS.

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* Added a `assert_hostname` option to `TLSConfig` which can be used to
disable verification of hostnames.
* Fixed SSL not working due to an incorrect version comparison
* Fixed streams not working on Windows

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* **This version introduces breaking changes!**
* Added `insecure_registry` parameter in `Client.push` and `Client.pull`.
*It defaults to False and code pushing to non-HTTPS private registries
might break as a result.*
* Added support for adding and dropping capabilities
* Added support for restart policy
* Added support for string values in `Client.create_container`'s `mem_limit`
* Added support for `.dockerignore` file in `Client.build`

Bugfixes

* Fixed timeout behavior in `Client.stop`

Miscellaneous

* `Client.create_container` provides better validation of the `volumes`
parameter
* Improved integration tests

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* **This version introduces breaking changes!**
* The `base_url` parameter in the `Client` constructor should now allow most
of the `DOCKER_HOST` environment values (except for the fd:// protocol)
* As a result, URLs that don't specify a port are now invalid (similar
to the official client's behavior)
* Added TLS support (see [documentation](https://github.com/dotcloud/docker-pyconnection-to-daemon-using-https))

Bugfixes

* Fixed an issue with `Client.build` streamed logs in Python 3

Miscellaneous

* Added unit tests coverage
* Various integration tests fixes