* 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
