Update Rest.cs

Merge pull request win-acme#1819 from win-acme/2.1.17

try to make public suffix list available in appveyor tests

fix IIS binding not being created in SNI trap scenario, even though t…

…he program states that it should be created

clarify filter options

Merge pull request win-acme#1763 from win-acme/2.1.15

2.1.15

Merge pull request win-acme#1739 from win-acme/2.1.14

2.1.14-hotfix

Merge pull request win-acme#1737 from win-acme/2.1.14

2.1.14

Merge pull request win-acme#1717 from win-acme/2.1.13

2.1.13

.NET5 updates

* upgrade to .net5
* build-as-tool not working with windows target set
* remove windows target
* streamline path logic
* fix build errors
* fix warning
* fix plugin publish with .net5
* fix test build
* fix more test build issues
* fix single file publishing for .net5
* Fix DI activation error, improve logging in --verbose mode for startup phase
* more .NET5 tuning
* add plugin support for .NET tool
* settings loading in nuget
* finetune nuget release
* fix package build in AppVeyor

Merge pull request win-acme#1689 from win-acme/2.1.12

2.1.12