add cachemapper
add cachemapper

Michael2008S/xorm,evalphobia/xorm,zileyuan/xorm,ymhhh/xorm,vCaesar/xorm,vCaesar/xorm,zj8487/xorm,tempbottle/xorm,zileyuan/xorm,henrylee2cn/xorm,aviau/xorm,evalphobia/xorm,go-xorm/xorm,aviau/xorm,lunny/xorm,tempbottle/xorm,Michael2008S/xorm,ymhhh/xorm,zj8487/xorm,toophy/xorm,toophy/xorm,go-xorm/xorm,lunny/xorm,henrylee2cn/xorm