ackages:    Package name(s) to check presence of
    :type packages:     ``list``, or ``str`` of single name

    :param cmd_outputs: Command to run, with output string to check
    :type cmd_outputs:  ``list`` of ``dict``s, or single ``dict`` taking form
                        {'cmd': <command to run>,
                        'output': <string that output should contain>}
    :param arch:        Architecture(s) that the local system is matched
                        against
    :type arch:         ``list``, or ``str`` of single architecture

    :param required:    For each parameter provided, should the checks
                        require all items, no items, or any items provided
    :type required:     ``dict``, with keys matching parameter names and values
                        being either 'any', 'all', or 'none. Default 'any'.

    NFr!