Refactored gzip middleware to return errors
Refactored gzip middleware to return errors

pschlump/caddy,lukw00/caddy,tpng/caddy,yukimochi/caddy,Zenithar/caddy,captncraig/caddy,devangels/caddy,buddhamagnet/caddy,txgruppi/caddy,kingland/caddy,yukimochi/caddy,tobya/caddy,wmydz1/caddy,DenBeke/caddy,hackintoshrao/caddy,Zenithar/caddy,gcnonato/caddy,liufuqiang/caddy,eiszfuchs/caddy,hackintoshrao/caddy,guilhermebr/caddy,DenBeke/caddy,DenBeke/caddy,Eagle-X/caddy,wangfakang/caddy,pedronasser/caddy,kyroskoh/caddy,tuxmonteiro/caddy,buddhamagnet/caddy,cez81/caddy,devangels/caddy,tw4452852/caddy,ollie314/caddy,dusty/caddy,coolaj86/caddy,tpng/caddy,pedronasser/caddy,lukw00/caddy,evermax/caddy,txgruppi/caddy,elcore/caddy,pyed/caddy,kingland/caddy,elcore/caddy,buddhamagnet/caddy,joshix/caddy,kyroskoh/caddy,lukw00/caddy,buddhamagnet/caddy,wangfakang/caddy,wmydz1/caddy,gcnonato/caddy,Karthic-Hackintosh/caddy,Prezto/caddy,pyed/caddy,tuxmonteiro/caddy,androdev4u/caddy,tw4452852/caddy,coolaj86/caddy,txgruppi/caddy,kingland/caddy,wangfakang/caddy,guilhermebr/caddy,captncraig/caddy,mem/caddy,Zenithar/caddy,tgulacsi/caddy,wmydz1/caddy,evermax/caddy,ollie314/caddy,Alienero/caddy,wangfakang/caddy,pedronasser/caddy,kyroskoh/caddy,youprofit/caddy,guilhermebr/caddy,tobya/caddy,joshix/caddy,youprofit/caddy,youprofit/caddy,wmydz1/caddy,Karthic-Hackintosh/caddy,pedronasser/caddy,cez81/caddy,liufuqiang/caddy,Eagle-X/caddy,Alienero/caddy,captncraig/caddy,androdev4u/caddy,tgulacsi/caddy,ollie314/caddy,tpng/caddy,kingland/caddy,mem/caddy,ChannelMeter/caddy,guilhermebr/caddy,joshix/caddy,txgruppi/caddy,Karthic-Hackintosh/caddy,pschlump/caddy,pschlump/caddy,bransorem/caddy,tw4452852/caddy,DenBeke/caddy,Alienero/caddy,Eagle-X/caddy,pyed/caddy,androdev4u/caddy,youprofit/caddy,devangels/caddy,tobya/caddy,ollie314/caddy,pschlump/caddy,Eagle-X/caddy,tpng/caddy,kyroskoh/caddy,Prezto/caddy,evermax/caddy,hackintoshrao/caddy,yukimochi/caddy,evermax/caddy,ChannelMeter/caddy,tuxmonteiro/caddy,Prezto/caddy,lukw00/caddy,Prezto/caddy,hackintoshrao/caddy,liufuqiang/caddy,mem/caddy,eiszfuchs/caddy,cez81/caddy,tgulacsi/caddy,bransorem/caddy,bransorem/caddy,eiszfuchs/caddy,dusty/caddy,dusty/caddy,tuxmonteiro/caddy,dusty/caddy,Karthic-Hackintosh/caddy,tobya/caddy,pyed/caddy,tw4452852/caddy,elcore/caddy,Zenithar/caddy,eiszfuchs/caddy,tgulacsi/caddy,liufuqiang/caddy,mem/caddy