public static BugSet loadBugs(Project project, File file){
public static BugSet loadBugs(Project project, URL url){
	public static BugSet loadBugs(Project project, File file){		try {			return loadBugs(project, new FileInputStream(file));		} catch (IOException e) {			JOptionPane.showMessageDialog(null,"This file contains no bug data");		}			return null;	}