Fixes Logging for MvvmCross 8

bump version (#80)

* Net5 upgrade (#77)

* nuget update

* net5 tweaks

* nuget updates

* Use only net5 projects instead of both types

* First attempt to resolve nuget changes

* dotnet update

* set Logging to Debug

* Testing for basic wpf app

* Add more MvxContextPresintation

* Fix settings window

* fix tests

* fix more logging

* tweak nugets

* remove gitversion for test

* bump version (#79)