Updated Code (markdown)
Removed remark about CLS compliancy, that's obsolete
Removed references to Benchmark.Skeet, we use BenchmarkDotNet for a while now.
Changed VS2015 as minimum supported VS version to 2017. We use the new csproj format and need 2017 for NETSTANDARD supported.
Removed the no longer supported .NET 3.5 from the list of supported TFM's and added NETSTANDARD 1.5
Fixed link from Contents to the 'Compile the code' section
Added the Code page