code: public Note get(long id)
  	{
  		SingleElementHandler<Note> noteHandler = new SingleElementHandler<>();
  		try
  		{
  			osm.makeAuthenticatedRequest(NOTES + "/" + id, null, new NotesParser(noteHandler));
  		}
  		catch (OsmNotFoundException e)
  		{
  			return null;
  		}
  		return noteHandler.get();
  	}
docs: @param id id of the note
  
  @throws OsmAuthorizationException if not logged in
  
  @return the note with the given id. null if the note with that id does not exist (anymore).