Update plugin-combo.js
Update plugin-combo.js

combo后的url长度超过2000后不是直接抛错误，而是用对半拆分的方式拆成多个url，场景更加通用
yern/seajs,moccen/seajs,JeffLi1993/seajs,moccen/seajs,AlvinWei1024/seajs,Lyfme/seajs,angelLYK/seajs,FrankElean/SeaJS,baiduoduo/seajs,liupeng110112/seajs,tonny-zhang/seajs,mosoft521/seajs,Lyfme/seajs,lianggaolin/seajs,kaijiemo/seajs,hbdrawn/seajs,kaijiemo/seajs,ysxlinux/seajs,zaoli/seajs,13693100472/seajs,AlvinWei1024/seajs,uestcNaldo/seajs,uestcNaldo/seajs,moccen/seajs,jishichang/seajs,sheldonzf/seajs,AlvinWei1024/seajs,uestcNaldo/seajs,liupeng110112/seajs,longze/seajs,PUSEN/seajs,jishichang/seajs,PUSEN/seajs,zaoli/seajs,FrankElean/SeaJS,miusuncle/seajs,Gatsbyy/seajs,angelLYK/seajs,evilemon/seajs,LzhElite/seajs,treejames/seajs,ysxlinux/seajs,evilemon/seajs,MrZhengliang/seajs,ysxlinux/seajs,MrZhengliang/seajs,yuhualingfeng/seajs,kuier/seajs,coolyhx/seajs,mosoft521/seajs,zwh6611/seajs,121595113/seajs,yern/seajs,eleanors/SeaJS,coolyhx/seajs,JeffLi1993/seajs,seajs/seajs,treejames/seajs,imcys/seajs,LzhElite/seajs,longze/seajs,lee-my/seajs,eleanors/SeaJS,Gatsbyy/seajs,lianggaolin/seajs,lee-my/seajs,kaijiemo/seajs,coolyhx/seajs,wenber/seajs,miusuncle/seajs,baiduoduo/seajs,imcys/seajs,yuhualingfeng/seajs,seajs/seajs,zaoli/seajs,zwh6611/seajs,PUSEN/seajs,seajs/seajs,lovelykobe/seajs,Gatsbyy/seajs,angelLYK/seajs,eleanors/SeaJS,baiduoduo/seajs,longze/seajs,tonny-zhang/seajs,yern/seajs,jishichang/seajs,lovelykobe/seajs,MrZhengliang/seajs,twoubt/seajs,mosoft521/seajs,miusuncle/seajs,kuier/seajs,twoubt/seajs,judastree/seajs,liupeng110112/seajs,chinakids/seajs,judastree/seajs,13693100472/seajs,sheldonzf/seajs,lianggaolin/seajs,chinakids/seajs,FrankElean/SeaJS,121595113/seajs,Lyfme/seajs,JeffLi1993/seajs,wenber/seajs,tonny-zhang/seajs,kuier/seajs,lovelykobe/seajs,treejames/seajs,imcys/seajs,lee-my/seajs,LzhElite/seajs,yuhualingfeng/seajs,sheldonzf/seajs,zwh6611/seajs,hbdrawn/seajs,twoubt/seajs,judastree/seajs,evilemon/seajs,wenber/seajs