Added Bracket, Where, and Token (without tests)

parser_test.go

@@ -210,3 +210,11 @@ func TestRepeat(t *testing.T) {
 		test.False(t, succeeded)
 	})
 }
+
+func TestBracket(t *testing.T) {
+	Todo(t)
+}
+
+func TestWhere(t *testing.T) {
+	Todo(t)
+}