Run8MapHost 0.4.0

What's new in 0.4.0

• Local-only by default (#108). A fresh install now opens the map only on your own PC
  (http://localhost:8000/) - no network exposure, no firewall prompt. To share the map,
  set HOST=0.0.0.0 in settings.bat; see README "Sharing your map publicly".
  Updating an existing install? Your settings.bat has no HOST line, so your map stays
  shared exactly as before.
• Player-train highlight fixed (#112). Only trains with a locomotive that moved since
  the last save are highlighted; the highlight now drops at the first save after a train
  stops, and cuts of cars a player sets out are no longer highlighted.
• Light power visible when zoomed out (#111). Trains with a locomotive (including a
  single light engine) and highlighted player trains always show in the zoomed-out view;
  only short loose cuts are hidden.
• Updates rebuild the map automatically. The first start after updating rebuilds the
  map (a couple of minutes) so you get the new map page; later starts are quick.