Bumped package version to 1.4.5 and modified ClientGenerator to include System.Net assembly as a DotNet type.

Rest.Net.Tests/RestClientGeneratorTests.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using FluentAssertions;
+using MontoyaTech.Rest.Net;
+using System.Net;
+
+namespace Rest.Net.Tests
+{
+    public class RestClientGeneratorTests
+    {
+        [Fact]
+        public void RestClientGenerator_HttpStatusCode_Should_BeSystemType()
+        {
+            var generator = new RestClientGenerator();
+
+            generator.IsTypeDotNet(typeof(HttpStatusCode)).Should().BeTrue();
+        }
+    }
+}