ArrayIterator now renamed to ValueIterator.
Also some codes are refined.

Signed-off-by: 核心力量 <kernelforce@gmail.com>
JSON.transform(Object, Transform) now renamed to transforms.

Signed-off-by: 核心力量 <kernelforce@gmail.com>
Refine some codes in JSON.

Signed-off-by: 核心力量 <kernelforce@gmail.com>