From 926f5b99d41d879544122ff7a3cb62f452954a72 Mon Sep 17 00:00:00 2001
From: JerryYanWan <ywanad@connect.ust.hk>
Date: Wed, 22 Mar 2017 10:04:22 +0800
Subject: [PATCH] add Merge Module to the constructor to support multi-layer
 BiRNN