Link to supported version

[Fedorus]

Link to supported version:
https://github.com/Fedorus/xNetStandard

• Fixed SSL
• Works on .Net Core
• Added suggested fixes to this version
• fixed "empty" response in debug

[AnErrupTion]

It's outdated, please use Better-xNet. https://github.com/AnErrupTion/Better-xNet @Fedorus