Update CHANGES and bump version

CHANGES

@@ -1,3 +1,8 @@
+3.4.2 2016-12-16
+- Fix null ref in TCPRelay. (#940)
+- Bring Privoxy back. (#948)
+- Bug fixes and improvements.
+
 3.4.1 (pre-release) 2016-12-13
 - Fix crash if user input an invaild server address. (#933)
 - Fix ERR_TOO_MANY_REDIRECTS with http proxy. (#937)

shadowsocks-csharp/Controller/Service/UpdateChecker.cs

@@ -24,7 +24,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionLocalName;
         public event EventHandler CheckUpdateCompleted;
 
-        public const string Version = "3.4.1";
+        public const string Version = "3.4.2";
 
         private class CheckUpdateTimer : System.Timers.Timer
         {