Update version.

CSharp/Library/Properties/AssemblyInfo.cs

@@ -32,8 +32,8 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.9.0.21")]
-[assembly: AssemblyFileVersion("0.9.0.21")]
+[assembly: AssemblyVersion("0.9.0.22")]
+[assembly: AssemblyFileVersion("0.9.0.22")]
 
 [assembly: InternalsVisibleTo("Microsoft.Bot.Builder.Tests")]
 

CSharp/Samples/SimpleEchoBot/Controllers/MessagesController.cs

@@ -40,7 +40,7 @@ namespace Microsoft.Bot.Sample.SimpleEchoBot
             if (message.Type == "Message")
             {
                 // return our reply to the user
-                return await CompositionRoot.SendAsync(message, () => new EchoDialog());
+                return await Conversation.SendAsync(message, () => new EchoDialog());
             }
             else
             {