Merge branch 'apichange'

src/ipc.cr

@@ -241,7 +241,7 @@ class IPC::Connection
 			raise Exception.new "error reading a message: #{m}"
 		end
 
-		IPC::Message.new message.mtype, message.type, message.payload
+		IPC::Message.new message.type, message.user_type, String.new(message.payload)
 	end
 
 	def close