`+story-list` produced janky indentation because the `$-(story
wain)` functions encoded linefeeds in the cords of the wain and the
printer doesn't like this.
Story printing functions have been changed to produce pure wains without
linefeeds.
- use desk parameter instead of %base everywhere
- formatting clean up
- make |story-remove take a case instead of an aeon
- make desk param optional for story-set and story-log