Fixes #2043. Update to NStack v1.0.1

Example/Example.csproj

@@ -11,7 +11,7 @@
     <InformationalVersion>1.0</InformationalVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NStack.Core" Version="0.17.1" />
+    <PackageReference Include="NStack.Core" Version="1.0.1" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Terminal.Gui\Terminal.Gui.csproj" />

Terminal.Gui/Terminal.Gui.csproj

@@ -17,7 +17,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="all" />
-    <PackageReference Include="NStack.Core" Version="0.17.1" />
+    <PackageReference Include="NStack.Core" Version="1.0.1" />
     <InternalsVisibleTo Include="UnitTests" />
   </ItemGroup>
   <!-- Uncomment the RestoreSources element to have dotnet restore pull NStack from a local dir for testing -->