adds json option for the browse middleware
adds json option for the browse middleware

lukw00/caddy,tpng/caddy,tuxmonteiro/caddy,elcore/caddy,tpng/caddy,tuxmonteiro/caddy,tobya/caddy,tuxmonteiro/caddy,devangels/caddy,tw4452852/caddy,tobya/caddy,dusty/caddy,eiszfuchs/caddy,ollie314/caddy,Eagle-X/caddy,evermax/caddy,yukimochi/caddy,kyroskoh/caddy,hackintoshrao/caddy,guilhermebr/caddy,Karthic-Hackintosh/caddy,mem/caddy,joshix/caddy,elcore/caddy,pyed/caddy,pedronasser/caddy,evermax/caddy,tgulacsi/caddy,Eagle-X/caddy,devangels/caddy,devangels/caddy,buddhamagnet/caddy,tgulacsi/caddy,ollie314/caddy,liufuqiang/caddy,DenBeke/caddy,liufuqiang/caddy,pschlump/caddy,elcore/caddy,youprofit/caddy,liufuqiang/caddy,Karthic-Hackintosh/caddy,buddhamagnet/caddy,yukimochi/caddy,youprofit/caddy,kyroskoh/caddy,pyed/caddy,joshix/caddy,mem/caddy,wangfakang/caddy,pschlump/caddy,ollie314/caddy,lukw00/caddy,dusty/caddy,tpng/caddy,lukw00/caddy,pyed/caddy,guilhermebr/caddy,guilhermebr/caddy,pschlump/caddy,tpng/caddy,youprofit/caddy,mem/caddy,tobya/caddy,Karthic-Hackintosh/caddy,kyroskoh/caddy,buddhamagnet/caddy,evermax/caddy,DenBeke/caddy,joshix/caddy,liufuqiang/caddy,dusty/caddy,tgulacsi/caddy,cez81/caddy,DenBeke/caddy,tw4452852/caddy,pedronasser/caddy,tuxmonteiro/caddy,captncraig/caddy,guilhermebr/caddy,wangfakang/caddy,eiszfuchs/caddy,kyroskoh/caddy,dusty/caddy,ollie314/caddy,cez81/caddy,hackintoshrao/caddy,tw4452852/caddy,hackintoshrao/caddy,yukimochi/caddy,lukw00/caddy,wangfakang/caddy,captncraig/caddy,youprofit/caddy,eiszfuchs/caddy,mem/caddy,pyed/caddy,tobya/caddy,wangfakang/caddy,buddhamagnet/caddy,pedronasser/caddy,hackintoshrao/caddy,cez81/caddy,Eagle-X/caddy,tgulacsi/caddy,pschlump/caddy,captncraig/caddy,DenBeke/caddy,Karthic-Hackintosh/caddy,Eagle-X/caddy,tw4452852/caddy,pedronasser/caddy,evermax/caddy,eiszfuchs/caddy