Upgraded to .NET Core 1.1.

Author: Whathecode

test/Whathecode.System.Tests/Whathecode.System.Tests.csproj

@@ -14,8 +14,8 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETCore.App" Version="1.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161123-03" />
+    <PackageReference Include="Microsoft.NETCore.App" Version="1.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0-preview-20161216-01" />
     <PackageReference Include="xunit" Version="2.2.0-beta4-build3444" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0-beta4-build1194" />
   </ItemGroup>