change: j2h.output method name changed to j2h.traverse.
add: j2h.traverse method will invoke delegator.begin method before traversing object data. after the end of traversing invoke delegator.end method.
add: export type constants.
add: j2h.toJSON method.
change: delegator method arguments order has been changed.
change: css.
change: adapted to new api of j2h.js.