fix #39: Bug when inheriting class from C#, (All instance point to a same table.). Add an optional constructor to init class.
fix #39: Bug when inheriting class from C#, (All instance point to a same table.). Add an optional constructor to init class.

moto2002/slua,jiangzhhhh/slua,luzexi/slua-3rd,chiuan/slua,zhukunqian/slua-1,Salada/slua,mr-kelly/slua,jiangzhhhh/slua,pangweiwei/slua,angeldnd/slua,haolly/slua_source_note,chiuan/slua,mr-kelly/slua,soulgame/slua,shrimpz/slua,chiuan/slua,thing-nacho/slua,dayongxie/slua,mr-kelly/slua,haolly/slua_source_note,dayongxie/slua,Roland0511/slua,takaaptech/slua,soulgame/slua,angeldnd/slua,dayongxie/slua,angeldnd/slua,houxuanfelix/slua,pangweiwei/slua,chiuan/slua,LacusCon/slua,thing-nacho/slua,luzexi/slua-3rd-lib,yaukeywang/slua-old,luzexi/slua-3rd-lib,zhukunqian/slua-1,soulgame/slua,DebugClub/slua,LacusCon/slua,XingHong/slua,LacusCon/slua,wland/slua,haolly/slua_source_note,yjpark/slua,dayongxie/slua,jiangzhhhh/slua,LacusCon/slua,haolly/slua_source_note,mr-kelly/slua,yaukeywang/slua-old,Roland0511/slua,luzexi/slua-3rd-lib,haolly/slua_source_note,yaukeywang/slua,luzexi/slua-3rd-lib,Roland0511/slua,DebugClub/slua,DebugClub/slua,soulgame/slua,jiangzhhhh/slua,wang1986one/slua,Salada/slua,jiangzhhhh/slua,Salada/slua,Salada/slua,soulgame/slua,moto2002/slua,Salada/slua,yaukeywang/slua,lingkeyang/slua,Roland0511/slua,luzexi/slua-3rd,mr-kelly/slua,lyntel/slua,luzexi/slua-3rd-lib,thing-nacho/slua,angeldnd/slua,zhukunqian/slua-1,yongkangchen/slua,chiuan/slua,wang1986one/slua,LacusCon/slua,lingkeyang/slua,hlouis/slua,XingHong/slua,thing-nacho/slua,yongkangchen/slua,lingkeyang/slua,DebugClub/slua,yaukeywang/slua,chiuan/slua,yongkangchen/slua,luzexi/slua-3rd,thing-nacho/slua,DebugClub/slua,LacusCon/slua,pangweiwei/slua,DebugClub/slua,dayongxie/slua,angeldnd/slua,wland/slua,takaaptech/slua,pangweiwei/slua,lyntel/slua,yaukeywang/slua,zhukunqian/slua-1,soulgame/slua,haolly/slua_source_note,pangweiwei/slua,yaukeywang/slua,luzexi/slua-3rd,houxuanfelix/slua,luzexi/slua-3rd,luzexi/slua-3rd,lingkeyang/slua,mr-kelly/slua,lingkeyang/slua,jiangzhhhh/slua,lingkeyang/slua,hlouis/slua,shrimpz/slua,littleboss/slua,luzexi/slua-3rd-lib,Roland0511/slua,Roland0511/slua,yongkangchen/slua,Salada/slua,littleboss/slua,thing-nacho/slua,angeldnd/slua,yongkangchen/slua,yjpark/slua,zhukunqian/slua-1,yaukeywang/slua