When I run npm install jszip, there is an error: can't clone repository: git://github.com/imaya/zlib.js

I check and find that: In my network environment, I can't clone git://github.com/imaya/zlib.js, but I can clone: https://github.com/imaya/zlib.js

so, why not change the repository url to https://github.com/imaya/zlib.js?

Another question is: Why not use zlibjs: "version"?