refactor res.set() array support
refactor res.set() array support

flomotlik/express,nodejs-camp/booklog-ansaga,yinhe007/express,pathirana/express,srichatala/express,caiocutrim/express,hdngr/express,srichatala/express,simudream/express,svnh/express,btleffler/express,frootloops/express,bercanozcan/express,v10258/express,Eric-Vandenberg/express,jinghuizhai/express,featurist/express,weilixia/express,wesleytodd/express,gnowoel/express,HXYNODE/express,jimmykuo/express,chuym/express,hpcslag/express,gnowoel/express,Eric-Vandenberg/express,nodejs-camp/booklog-jason,Faiz7412/express,juandav/express,sarvex/express,jenalgit/express,vnglst/express,1amageek/express,nodejs-camp/booklog-polo,WangCao/express,philxia/ex-tst-framework,pstrike/express,1verson/express,evanlucas/express,buildsample/express,llwanghong/express,stewartml/express,kunalpict/express,Ivanwangcy/express,Flip120/express,nodejs-camp/booklog-Zak,ci-test2/express,pshomov/express,fakedarren/express,yinhe007/express,Flip120/express,hanqingnan/express,coreypnorris/express,danielrohers/express,swstack/express,fanzetao/express,Lexine/express,wtony/express,strongloop/express,topaxi/express,demohi/express,dreamingblackcat/express,fakedarren/express,nodejs-camp/booklog-ansaga,philxia/ex-tst-framework,youprofit/express,andrejewski/express,luxe-eng/valet-express.express,nodejs-camp/booklog-jason,nodejs-camp/booklog-ausir,nodejs-camp/booklog-tonebeta,fineday32/express,micha149/express,leiqiang75/express,nodejs-camp/booklog-Zak,tianhengzhou/express,xtidt/express,countdracular/express,chrisinajar/express,dongseop/express,pshomov/express,YR/express,listepo/express,Talkyunyun/express,abhi3/express,mcanthony/express,dongseop/express,nodejs-camp/booklog-leo,angelsanz/express,Ju2ender/express,hightechweb/express,lian774739140/express,angelsanz/express,devgeniem/express,LestaD/express,elkingtonmcb/express,tjmehta/express,nodejs-camp/booklog-jollen,neomadara/express,WangCao/express,sarvex/express,aifeld/express,lmtdit/express,nodejs-camp/booklog-homa,blakeembrey/express,nbeydoon/express,nodejs-camp/booklog-ben,gdeividas/express,Jonekee/express,topaxi/express,CrazySherman/express,robomc/express,JulyZhu/express,vidyar/express,dongseop/express,dongooo/express,heicx/express,baldurh/express,RanadeepPolavarapu/express,1verson/express,kawanet/express,michaeljunlove/express,v10258/express,fanzetao/express,hl198181/express,TestingCI/express,andriyl/express,tyler-johnson/express,Eric-Vandenberg/express,dafabulousteach/express,auth0/express,wtony/express,xiaofuzi/express,sibura/express,vinodhalaharvi/express,udhayam/express,expressjs/express,maraoz/express,MoraLin/mora-test,dieuly/express,rgrove/express,wtony/express,xtidt/express,evilboss/express,andrejewski/express,baldurh/express,flomotlik/express,hdngr/express,dgofman/express,simplyianm/express,stewartml/express,nodejs-camp/booklog-jollen,nodejs-camp/booklog-ausir,Riokai/express,luxe-eng/valet-express.express,WangCao/express,codeforgeek/express,nodejs-camp/booklog-leo,nodejs-camp/booklog-mora,nbeydoon/express,hpcslag/express,sibura/express,r14r-work/fork_express_master,luxe-eng/valet-express.express,HXYNODE/express,kunalpict/express,Haru1990/express,vidyar/express,TestingCI/express,kawanet/express,ralic/express,lmtdit/express,v10258/express,abdulhannanali/express,qitianchan/express,listepo/express,sujianping/express,CrazySherman/express,evanlucas/express,chuym/express,jenia0jenia/express,nodejs-camp/booklog-archer,featurist/express,XueQian/express,hacksparrow/express,corporateanon/express,benshiue/booklog-ben,strongloop/express,za-creature/express,soyuka/express,udhayam/express,buildsample/express,ci-test2/express,jinghuizhai/express,frootloops/express,juanpastas/express,ZackBotkin/express,nodejs-camp/booklog-linkchen,blainsmith/express,xiaofuzi/express,Jonekee/express,mauricionr/express,heicx/express,abdulhannanali/express,microlv/express,fakedarren/express,ralic/express,gdeividas/express,bercanozcan/express,bjrmatos/express,dreamingblackcat/express,cflynn07/express,nodejs-camp/booklog-chenyou,nathan818fr/express,jenia0jenia/express,dotnetCarpenter/express,dafabulousteach/express,PUSEN/express,swarajgiri/express,Lexine/express,christopheranderson/express,mikewesthad/express,supasate/express,qq645381995/express,michaeljunlove/express,grigorkh/express,nodejs-camp/booklog-mora,ericlu88/express,mikewesthad/express,nodejs-camp/booklog-polo,methuz/express,nodejs-camp/booklog-chle,microlv/express,smcmurray/express,qq645381995/express,Ju2ender/express,stoskov/express,shanawarkhan/express,BaggersIO/express,kylezhang/express,Matrixbirds/express,JulyZhu/express,countdracular/express,supasate/express,stewartml/express,friederbluemle/express,xiaofuzi/express,gretac/express,juanpastas/express,mimaidms/express,nodejs-camp/booklog-chle,simudream/express,PeterWangPo/express,Ivanwangcy/express,lemelon/express,jymsy/express,robomc/express,leiqiang75/express,MoraLin/mora-test,llwanghong/express,tyler-johnson/express,dotnetCarpenter/express,grigorkh/express,jymsy/express,micha149/express,samuelcastro/express,RanadeepPolavarapu/express,XueQian/express,blairzhang/express,ericlu88/express,coreypnorris/express,swarajgiri/express,simudream/express,Haru1990/express,Matrixbirds/express,blairzhang/express,stevemao/express,pstrike/express,ahdinosaur/express,vnglst/express,youprofit/express,nodejs-camp/booklog-homa,mimaidms/express,samuelcastro/express,hl198181/express,kylezhang/express,lian774739140/express,bercanozcan/express,stevemao/express,bjrmatos/express,ifraixedes/express,r14r/fork_express_master,junxiong/express,r14r/fork_express_master,nodejs-camp/booklog-tonebeta-update,abhi3/express,mauricionr/express,maraoz/express,listepo/express,andriyl/express,igarciaes/express,sarvex/express,YR/express,jimmykuo/express,VegeChou/express,stoskov/express,Kevnz/express,KodkodGates/express,nodejs-camp/booklog-s890506,dsupera13/express,FernAbby/express,ci-test2/express,hanweifish/express,kunalpict/express,vinodhalaharvi/express,lmtdit/express,angelsanz/express,dsupera13/express,kylezhang/express,kubrickology/express,buildsample/express,ZackBotkin/express,corporateanon/express,Flip120/express,cflynn07/express,nbeydoon/express,Faiz7412/express,BaggersIO/express,vidyar/express,smcmurray/express,nodejs-camp/booklog-linkchen,devgeniem/express,Ju2ender/express,blainsmith/express,soyuka/express,Riokai/express,nodejs-camp/booklog-polo,nathan818fr/express,gretac/express,Faiz7412/express,WebStyle/express,chrisinajar/express,btleffler/express,wesleytodd/express,kubrickology/express,WebStyle/express,evilboss/express,BaggersIO/express,elkingtonmcb/express,awronka/express,FernAbby/express,KodkodGates/express,VegeChou/express,danielrohers/express,qitianchan/express,LestaD/express,coreypnorris/express,za-creature/express,rgrove/express,ahdinosaur/express,drzorm/express,igarciaes/express,stevemao/express,gnowoel/express,friederbluemle/express,dafabulousteach/express,tianhengzhou/express,adjohnson916/express,vnglst/express,abhi3/express,za-creature/express,corporateanon/express,RickyDan/express,codeforgeek/express,hightechweb/express,tjmehta/express,pathirana/express,XueQian/express,awronka/express,drzorm/express,qitianchan/express,devgeniem/express,PUSEN/express,christopheranderson/express,dongooo/express,dotnetCarpenter/express,topaxi/express,hanqingnan/express,evilboss/express,saisai/express,vinodhalaharvi/express,adjohnson916/express,blakeembrey/express,methuz/express,TestingCI/express,dreamingblackcat/express,svnh/express,dgofman/express,junxiong/express,Kevnz/express,ifraixedes/express,mcanthony/express,hacksparrow/express,maraoz/express,philxia/ex-tst-framework,friederbluemle/express,stoskov/express,nodejs-camp/booklog-tonebeta-update,hdngr/express,lemelon/express,swstack/express,1amageek/express,fineday32/express,neomadara/express,KodkodGates/express,blairzhang/express,thepont/express,svnh/express,expressjs/express,auth0/express,PeterWangPo/express,juandav/express,kentcdodds/express,simplyianm/express,blakeembrey/express,rupanjanbaidya/express,RickyDan/express,michaeljunlove/express,weilixia/express,benshiue/booklog-ben,rupanjanbaidya/express,Riokai/express,jenalgit/express,shanawarkhan/express,smcmurray/express,caiocutrim/express,r14r-work/fork_express_master,LestaD/express,nodejs-camp/booklog-archer,sujianping/express,ZackBotkin/express,fuse-mars/express,nodejs-camp/booklog-s890506,philxia/ex-tst-framework,hanweifish/express,jinghuizhai/express,nodejs-camp/booklog-ben,thepont/express,chrisinajar/express,aifeld/express,1amageek/express,emvici/emvici-reqres-tify,dieuly/express,saisai/express,demohi/express,supasate/express,kentcdodds/express,nodejs-camp/booklog-tonebeta,junxiong/express,grigorkh/express,nodejs-camp/booklog-chenyou,fuse-mars/express,featurist/express,jenia0jenia/express,swarajgiri/express,abdulhannanali/express,qq645381995/express,Talkyunyun/express,hpcslag/express,jenalgit/express,youprofit/express