Update gzip-middleware.js
Update gzip-middleware.js

Punctuation
goldbergjeffrey/node-http-proxy,rasata/node-http-proxy,scottleedavis/node-http-proxy,tyrchen/node-http-proxy,malko/node-http-proxy,InstantWebP2P/node-httpp-proxy,akiellor/node-http-proxy,andrewpmartinez/node-http-proxy,TopShelfSolutions/node-http-proxy