* [0.7.2] Start threads as background in HashedWheelTimer, LoopExecutor, ThreadDeathWatcher
* + code formatting
* [0.7.3] Target net5 and net6 (#2)
target net5 and net6
Adopted TlsHandler for the case when Handshake completion callback is dispatched asynchronously to thread pool
Introduced SingleThreadedEmbededChannel for TlsHandler and SniHandler tests
* + Update DotNetVersion to "6.0.302" in build.ps1
1. Microsoft.Extensions.Configuration from 1.1.0 to 1.1.1
2. Microsoft.Extensions.Logging from 1.1.0 to 1.1.1
3. Google.Protobuf from 3.1.0 to 3.2.0
4. Microsoft.NET.Test.Sdk from 15.0.0 preview to 15.0.0
5. XUnit to 2.2.0 release
6. Moq from alpha to 4.7.1
7. NBench from 0.3.4 to 1.0.0