Fixing Repl

Jint.Repl/Program.cs

@@ -24,7 +24,7 @@ namespace Jint.Repl
 
                 try
                 {
-                    var result = engine.GetValue(engine.Execute(input));
+                    var result = engine.GetValue(engine.Execute(input).GetCompletionValue());
                     var str = TypeConverter.ToString(engine.Json.Stringify(engine.Json, Arguments.From(result, Undefined.Instance, "  ")));
                     Console.ForegroundColor = ConsoleColor.Magenta;
                     Console.WriteLine("=> {0}", str);