code: public static File[] listFiles(final String ext) {
  		init();
  		
  		return config.listFiles(new FilenameFilter() {
  
  			public boolean accept(File dir, String name) {
  				return name.endsWith(ext);
  			}
  		});
  	}
docs: List the files with a given extension in the configuration directory
  
  @param ext The extension to search for
  @return The list of files from the configuration directory