Added support for swappable querystring parsers
Added support for swappable querystring parsers

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