Guan Wang

Results 4 issues of Guan Wang

As we are calculating probability values at the magnitude of e^(-300), we need to make sure the precisions are not underflow

Fixing issue #30

Hi, I trained the autoencoder successfully. However, when I was doing followup steps in training the transition model, I had the problem below. ![image](https://cloud.githubusercontent.com/assets/7718748/18214006/b5a04480-70ff-11e6-8329-9bc94b3dd288.png) Thanks a lot for any help!...