Added Content-Length to res.sendfile(). Closes #507
Added Content-Length to res.sendfile(). Closes #507

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