setting_user
============

Some facets offer settings via the `setting_user` interface, which adds the following commands:

setting
-------

	setting_user setting name value...

Set the non-object value of the setting `name` to be `value`.

setting_object
--------------

	setting_user setting_object name some_df

Set the dataframe value of the setting `name` to be `some_df`.

list_settings
-------------

	setting_user list_settings

Emit details of the available settings relevant to the current state of the
`setting_user` object.