Adding test to stabelize keys used when converting objects to arrays
Adding test to verify that __sleep can handle parent classes' private members
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Adding test to verify that __sleep can handle parent classes' private members
  Adding test to stabelize keys used when converting objects to arrays
Merge branch 'PHP-5.5'

* PHP-5.5:
  Adding test to verify that __sleep can handle parent classes' private members
  Adding test to stabelize keys used when converting objects to arrays