Added support for UserData

PorygonSharpTests/UnitTest1.cs

@@ -1,6 +1,8 @@
 using System;
 using NUnit.Framework;
 using PorygonSharp;
+using PorygonSharp.UserData;
+using PorygonSharp.Utilities;
 
 namespace PorygonSharpTests
 {
@@ -107,5 +109,41 @@ namespace PorygonSharpTests
             }
         }
 
+        private class UserDataTestObject
+        {
+            public int Foo = 200;
+        }
+
+        [Test]
+        public void Test9()
+        {
+            UserDataHandler.RegisterType("testObject", typeof(UserDataTestObject));
+            using (var script = Script.CreateScript(@"
+function test(testObject v)
+    result = v['Foo']
+end
+"))
+            {
+                var diags = script.Diagnostics.GetDiagnostics();
+                foreach (var diag in diags)
+                {
+                    throw new Exception(diag.GetCode().ToString());
+                }
+
+                script.Evaluate();
+
+                script.CallFunction("test", new UserDataTestObject());
+                var variable = script.GetVariable("result");
+                Assert.AreEqual(200, variable.EvaluateInteger());
+            }
+        }
+
+        [Test]
+        public void TestHash()
+        {
+            var hash = HashedString.ScriptHash("Foo");
+            Assert.AreEqual(193501609, hash);
+        }
+
     }
 }