Reflection* classes should be uncloneable

[asgrim]

Reflection* classes should prevent being able to be cloned.

--TEST--
Reflection class can not be cloned
--CREDITS--
Stefan Koopmanschap <[email protected]>
TestFest PHP|Tek
--SKIPIF--
<?php
if (!extension_loaded('reflection')) print 'skip';
?>
--FILE-- 
<?php
require 'vendor/autoload.php';
use BetterReflection\Reflector\ClassReflector;
use BetterReflection\SourceLocator\SingleFileSourceLocator;
$reflector = new ClassReflector(new SingleFileSourceLocator(__FILE__));

class Foo {
}

$rc = $reflector->reflect("Foo");
$rc2 = clone($rc);
?>
--EXPECTF--
Fatal error: Uncaught Error: Trying to clone an uncloneable object of class ReflectionClass in %s:%d
Stack trace:
#0 {main}
  thrown in %s on line %d

[Ocramius]

@asgrim should they be? :|

[asgrim]

seems that way...

[asgrim]

Handled by #150