code: public static String relativize(String base, String uri)
  	{
  		URI child = URI.create( raw( uri ) );
  		URI parent = URI.create( raw( base ) );
  		return parent.relativize( child ).getPath();
  	}
docs: <p>relativize.</p>
  
  @param base a {@link java.lang.String} object.
  @param uri a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.