private static void Main(string[] args)
        {
            bool removeDirectory;
            string temporaryDirectory = GetTemporaryDirectory(out removeDirectory);
            Console.WriteLine("Working directory: {0}", temporaryDirectory);

            try
            {
                IPackageRepository sourceRepository = PackageRepositoryFactory.Default.CreateRepository("https://www.nuget.org/api/v2/");
                PackageManager packageManager = new PackageManager(sourceRepository, temporaryDirectory);
                packageManager.PackageInstalled += HandlePackageInstalled;
                packageManager.InstallPackage("Microsoft.Bcl.Immutable", SemanticVersion.Parse("1.0.34"));
                packageManager.InstallPackage("System.Collections.Immutable", SemanticVersion.Parse("1.1.33-beta"));

                using (PEReader referenceAssembly = new PEReader(File.OpenRead(Path.Combine(temporaryDirectory, "Microsoft.Bcl.Immutable.1.0.34", "lib", "portable-net45+win8+wp8+wpa81", "System.Collections.Immutable.dll"))))
                {
                    using (PEReader newAssembly = new PEReader(File.OpenRead(Path.Combine(temporaryDirectory, "System.Collections.Immutable.1.1.33-beta", "lib", "portable-net45+win8+wp8+wpa81", "System.Collections.Immutable.dll"))))
                    {
                        Analyzer analyzer = new Analyzer(referenceAssembly, newAssembly, null);
                        analyzer.Run();
                    }
                }
            }
            finally
            {
                if (removeDirectory)
                    Directory.Delete(temporaryDirectory, true);
            }
        }
        public static ReadOnlyCollection<Message> AnalyzeAssemblies(string referenceAssemblyFile, string newAssemblyFile)
        {
            using (PEReader referenceAssembly = new PEReader(File.OpenRead(referenceAssemblyFile)))
            {
                using (PEReader newAssembly = new PEReader(File.OpenRead(newAssemblyFile)))
                {
                    TestMessageLogger logger = new TestMessageLogger();
                    Analyzer analyzer = new Analyzer(referenceAssembly, newAssembly, logger);
                    analyzer.Run();

                    return logger.RawMessages;
                }
            }
        }