CS-Script.Core 2.0.0

CLI - New commands: - `-server` - for managing build server - `-vscode` - to open script in VSCode - `-vs` - to script project in Visual Studio - `-self-test` - for testing the engine on the target system - `-self-exe` - for building css launcher for manual deployment - `-engine:<csc|dotnet>` - `-new:toplevel` - CLI parameter - `-profile` - for testing script loading performance - `-speed` - for compiler performance testing - Added css - Added creation of `code.header` on first use of CLI command `-code` - Added complex (multi-file) commands support (e.g. css -self-test-run) - Implemented build server - Implemented hot-loading for csc engine. - Normalized all \n and \r\n CLI output by using Environment.NewLine - Added reporting using of incompatible csc compiler for scripts requiring XAML compilation CSScriptLib - Implemented //css_winapp for WinForm and WPF applications - Added //css_engine (//css_ng) directive for choosing the compiling engine - Completed CSScript.Evaluator.CodeDom interface. - Implemented transparent hosting of CSScriptLib in .NET-Framework and .NET-Core - Removed dependency on Roslyn for pure CodeDom evaluator use-case - added sample with downloading the latest C# compiler - added passing compiler options - Implemented probing for default C#5 compiler when hosted on .NET Framework. - Extending u-testing to cover new Evaluator features (CSScriptLib.dll)