0.2.0: Traversables

• Restored HHVM support - @thekid
• Added support for all traversable data structures like ArrayIterator
  or IteratorAggregate implementations, not just generator functions.
  (@thekid)

0.1.1: Unmarshalling fix

• Fixed object fields not being converted to their declared types during
  unmarshalling (e.g., using /** @var T */).
  (@thekid)

0.1.0: Hello World

• Hello World! First release - @thekid