DateFormat objects in Tools are removed to ensure the thread safety.

Signed-off-by: 核心力量 <kernelforce@gmail.com>
JSON.Transformer now could recognize the class of the value.

Signed-off-by: 核心力量 <kernelforce@gmail.com>
SQLKit.jsanOfResultSet would pass the templates of the result jsan.
Such as reflect, project and transformer templates would be passed.

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