* remove unused imports
* use google as isort profile
* sort imports
* format with yapf
* clean end of file new line, trailing whitespace, double quoted strings
* add docstring parsing utils
* implement docstring parsing for help text
* implement smoke test of all cli commands
* clean up use of optional in docstring
* make command descriptions more consistent
* fix disable_type_check
* update release notes
* allow both singular and plural versions of nouns
* use command table for client creation
* cleanup
* simplify docker mock
* add docker to test requirements; clean up existing requirements