====== Drupyx implementation and test coverage ======

  * php:
    * serialize: this package uses original PHP unit tests, adapted to Python
      * implementation
        * serialize: all types. TODO: _sleep, circular references
        * unserialize: array (separates list/dict), bool, int, none, string. TODO: float, object, _wakeup, circular references
      * tests
        * 001.phpt - basic serialize: serialize: 18/21 implemented, 18 passing; unserialize: 0/1 implemented
        * 002.phpt - basic unserialize: 4/9 implemented, 4 passing