📦 More CI tweaks.

📦 More CI tweaks.

Symbols were getting skipped when deploying to NuGet. (#42)

🔧 NumberOfTimesCalled is now thread safe. (#37)

🔧 Fixing Source link build process. (#36)

* 🔬 Source Link added.

* 🔧 Fixing Source link build process.

🚀 Updated to .NET Standard 2.0. (#34)

- 🚀 Updated to .NET Standard 
- 📦 Updated NuGet packages.
- .NET Standard 2.0 + some nicer error handling message.
- 🖊️ Cleaned up ReadMe and updated ChangeLog.

Renamed assembly name to original assembly name. (#29)

- Going to .NETStandard, the build process was using a different Assembly name. So this is now going back to the original one.
- Make sure the correct configuration is used during CI packing.
- Renamed ReleaseNotes.md to ChangeLog.md.

💸 Moving to .NET Standard 1.4! (#28)

🔧 Fix HttpContent equality check. (#25)

Add Request Header support to HttpOptions. (#17)

Fixes #16