Made changes to Error handling in client

- Make SetHttpResponse internal.
- Use Stream.CopyTo in .NET 4.0

SignalR.Client/Infrastructure/ErrorExtensions.cs

@@ -48,8 +48,12 @@ public static SignalRError GetError(this Exception ex)
         private static Stream Clone(Stream source)
         {
             var cloned = new MemoryStream();
-            byte[] buffer = new byte[2048];// Copy up to 2048 bytes at a time
-            int copiedBytes;// Maintains how many bytes were read
+#if NET35
+            // Copy up to 2048 bytes at a time
+            byte[] buffer = new byte[2048];
+
+            // Maintains how many bytes were read
+            int copiedBytes;
 
             // Read bytes and copy them into a buffer making sure not to trigger the dispose
             while ((copiedBytes = source.Read(buffer, 0, buffer.Length)) > 0)
@@ -58,6 +62,9 @@ private static Stream Clone(Stream source)
                 cloned.Write(buffer, 0, copiedBytes);
             }
 
+#else
+            source.CopyTo(cloned);
+#endif
             // Move the stream pointers back to the original start locations
             if (source.CanSeek)
             {

SignalR.Client/Infrastructure/SignalRError.cs

@@ -19,11 +19,7 @@ public SignalRError(Exception exception)
             Exception = exception;
         }
 
-        /// <summary>
-        /// Capture the response so we can dispose of it later
-        /// </summary>
-        /// <param name="response">The HttpWebResponse associated with the Exception, assuming its a WebException</param>
-        public void SetResponse(HttpWebResponse response)
+        internal void SetResponse(HttpWebResponse response)
         {
             _response = response;
         }