Added ability to show name and description in popups for paths and placemarks created from file. Added common popup class and personal class for path object. Use CSS to format your title and description in this case. Here example for path popup.
For placemaks it is like the this.
The second feature – you can override placemark icon for placemarks which is created from file. Just assign group to your path with KML/GPX file (with internal parser), and enable in its options Override placemarks. After that set icon you need in group properties and enable override icon.