* Remove support for Ansible 2.9 and ansible-base 2.10.
* Remove Ansible 2.9 compatiblity code.
* Remove docker-compose from EE.
* Drop support for Python 2.6. Stop advertising docker-py for Python 2.6.
* Drop support for API versions 1.20 to 1.24.
* Fix condition.
* Only pass chdir on when it is provided, and prevent this option from being used for Docker SDK for Python < 3.0.0.
* Also fix docker_api connection plugin.
* Move some code from plugin_utils to module_utils.
* First version of docker_container_exec module.
* Linting.
* Avoid using display.
* Move common socket_handler code to module_utils.
* Add module support, use it in docker_container_exec.
* Add tests.
* Fix copyright lines.
* Add this and other 'new' modules to README.
* Apply suggestions from code review
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>
* Update plugins/modules/docker_container_exec.py
Co-authored-by: Andrew Klychkov <aaklychkov@mail.ru>