* Add command option
* Fix test task name
* Changelog fragment
* Fix indendation
* Add version_added
* Better command description
* Test passing command as list
* Handle invalid command types
* Cleaner command type checking
* Check that all items in command list are strings
* Better error about command list items
* Better type checking errors
* Add tests for command type checking
* Update command tests
* Fix messed up rebase
* integration test for docker_swarm_service
* ensure stack de-initialization
* Set default value for 'configs' parameter to None
Docker-py uses None as a default value for configs.
Using the same default here allows to create services on older docker
setups (docker_api<1.30).
* Set default value for 'update_order' parameter to None
Docker-py uses None as a default value for update_order.
Using the same default here allows to create services on older docker
setups (docker_api<1.29)
* Set default value for 'publish.mode' parameter to None
Docker-py uses None as a default value for publish_mode.
Using the same default here allows to create services on older docker
setups (docker_api<1.32)
* Allow tests to run on older version of docker.
* remove workarounds for old docker versions
* test correct swarm cleanup
* changelog fragment for docker_swarm_service defaults change
