public void FromCommandLine()
        {
            var bag = KeyValueBinder.FromCommandLine(new string[]
            {
                "-hello:world",
                "-empty1:",
                "-empty2"
            });

            Console.WriteLine(bag);
            Assert.AreEqual("world", bag["Hello"]);
            Assert.AreEqual("", bag["empty1"]);
            Assert.That(bag.ContainsKey("empty2"));
        }