Added convenience methods for to/from xml and json
diff --git a/src/ProtocolBuffers.Test/TestWriterFormatXml.cs b/src/ProtocolBuffers.Test/TestWriterFormatXml.cs
index 2ddf39e..b5eb60b 100644
--- a/src/ProtocolBuffers.Test/TestWriterFormatXml.cs
+++ b/src/ProtocolBuffers.Test/TestWriterFormatXml.cs
@@ -13,6 +13,28 @@
     public class TestWriterFormatXml

     {

         [Test]

+        public void TestToXmlParseFromXml()

+        {

+            TestAllTypes msg = new TestAllTypes.Builder().SetDefaultBool(true).Build();

+            string xml = msg.ToXml();

+            Assert.AreEqual("<root><default_bool>true</default_bool></root>", xml);

+            TestAllTypes copy = TestAllTypes.ParseFromXml(XmlReader.Create(new StringReader(xml)));

+            Assert.IsTrue(copy.HasDefaultBool && copy.DefaultBool);

+            Assert.AreEqual(msg, copy);

+        }

+

+        [Test]

+        public void TestToXmlParseFromXmlWithRootName()

+        {

+            TestAllTypes msg = new TestAllTypes.Builder().SetDefaultBool(true).Build();

+            string xml = msg.ToXml("message");

+            Assert.AreEqual("<message><default_bool>true</default_bool></message>", xml);

+            TestAllTypes copy = TestAllTypes.ParseFromXml("message", XmlReader.Create(new StringReader(xml)));

+            Assert.IsTrue(copy.HasDefaultBool && copy.DefaultBool);

+            Assert.AreEqual(msg, copy);

+        }

+

+        [Test]

         public void TestEmptyMessage()

         {

             TestXmlChild message = TestXmlChild.CreateBuilder()