Punchclock_Reactive4 (nuget): This is updated punchclock nuget that supports Reactive 4.0  There is a problem on Android when compiling System.Threading.Tasks.Extension  need to downgrade from 4.5.1 to 4.0.0   Original was not upfated for a while.
Keywords: reactive|extensions|async|observable|LINQ|netstandard|cross-platform|dotnet|dotnet-core|http-client|xamarin