@Test
public void testInt() {

	List<Atom> eval = toAtomList(p.parse("1"));
	assertFalse(eval.equals(toAtomList("1"))); // an int is not a string
	assertEquals(toAtomList(1), eval);
	eval = toAtomList(p.parse("1 0 -1"));
	assertEquals(toAtomList(1, 0, -1), eval);
}