Author:
Carbo Kuo <byvoid@byvoid.com>

Contributors:
Peng Huang <shawn.p.huang@gmail.com>
Kefu Chai <tchaikov@gmail.com>
LI Daobing <lidaobing@gmail.com>
Asias <asias.hejun@gmail.com>
Peng Wu <alexepico@gmail.com>
Xiaojun Ma <damage3025@gmail.com>
佛振 <chen.sst@gmail.com>