Anatoly Vorobey <mellon@pobox.com>       for memcached code
Brad Fitzpatrick <brad@danga.com>        for memcached code
Domas Mituzas <domas.mituzas@gmail.com>  for TugelaCache code
Novey Donar <xiaogang1@staff.sina.com.cn>
Steve Chu <zhuxin@staff.sina.com.cn>
Cao kai <caokai@staff.sina.com.cn>