Chnage LastApiInfo to GetLastApiInfo with cloned version

Octokit.Tests/Http/RateLimitTests.cs

@@ -109,6 +109,30 @@ namespace Octokit.Tests.Http
             {
                 Assert.Throws<ArgumentNullException>(() => new RateLimit(null));
             }
+
+        }
+
+        public class TheMethods
+        {
+            [Fact]
+            public void CanClone()
+            {
+                var original = new RateLimit(100, 42, 1372700873);
+
+                var clone = original.Clone();
+
+                // Note the use of Assert.NotSame tests for value types - this should continue to test should the underlying 
+                // model are changed to Object types
+                Assert.NotSame(original, clone);
+                Assert.Equal(original.Limit, clone.Limit);
+                Assert.NotSame(original.Limit, clone.Limit);
+                Assert.Equal(original.Remaining, clone.Remaining);
+                Assert.NotSame(original.Remaining, clone.Remaining);
+                Assert.Equal(original.ResetAsUtcEpochSeconds, clone.ResetAsUtcEpochSeconds);
+                Assert.NotSame(original.ResetAsUtcEpochSeconds, clone.ResetAsUtcEpochSeconds);
+                Assert.Equal(original.Reset, clone.Reset);
+                Assert.NotSame(original.Reset, clone.Reset);
+            }
         }
     }
 }