Panewright 0.6.31

Fixed

• Windows no longer scramble across workspaces after visiting another
  native Space (issue #23). Two engine fixes: the engine now remembers
  which workspace each window lived on when a Space visit hides it from
  Accessibility and gets it garbage-collected, and re-homes it there
  when it reappears (instead of dumping it on the focused workspace);
  and leaving native fullscreen returns the window to its own workspace
  instead of whichever one the fullscreen Space had displaced onto its
  monitor.