Version 0.37.0

Compatible changes

Fix a bug where replacing the <body> element would not trigger destructor functions in the old <body>.
Fix a bug where [up-layer] attributes or { layer } options were ignored.
[up-target] and form[up-target] get a new modifying attribute [up-fail-layer]. Use it to set the layer to update if the server sends a non-200 status code. Valid values are auto, page, modal and popup.
JavaScript functions like up.replace() or up.submit() now have a { failLayer } option.