Changed: res.send() only set ETag when not previously set
Changed: res.send() only set ETag when not previously set

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