Bug fix: don't allow enumeration of the length property in Array.
Properly handle assignments to the Array.length property: if set to a value smaller than the previous length value, destroy all objects found at indexes greater than length.



git-svn-id: http://yate.null.ro/svn/yate/trunk@5584 acf43c95-373e-0410-b603-e72c3f656dc1