Description:
------------
When we use the Paamayim Nekudotayim with class on an unexistant function, this function is written in lowcase.
It's only a little bug and doesn't really affect me ;)

Reproduce code:
---------------
<?php
class A {

}

class C extends A {
	public function test(){
		echo parent::TESTING();
		echo $this->TESTING(); // Comment line above to get this error...
	}
}

$c = new C();
echo $c->test();
?>


Expected result:
----------------
Fatal error: Call to undefined method A::TESTING() in D:\www\LookStrike\ls_lite\a.php on line 8

and

Fatal error: Call to undefined method C::TESTING() in D:\www\LookStrike\ls_lite\a.php on line 9

Actual result:
--------------
Fatal error: Call to undefined method A::testing() in D:\www\LookStrike\ls_lite\a.php on line 8

and

Fatal error: Call to undefined method C::TESTING() in D:\www\LookStrike\ls_lite\a.php on line 9