BLSTM

Hi,
Thanks a lot for this great and very useful work. Would you have any input on how to modify the multidata example to get a bidirectional LSTM, with two layers (like here : [https://github.com/xisnu/CNN-BLSTM-CTC/blob/master/Images/hybrid.jpg](https://github.com/xisnu/CNN-BLSTM-CTC/blob/master/Images/hybrid.jpg))?
