We are now in beta!

We are now in beta version. Hopefully there won't be anymore breaking changes. Here are the details of what's new:

• Backward compatibility support for summed keyword argument in forward method is now removed. Keyword argument of reduce is preferred to match PyTorch's convention.
• Masks are converted to LongTensor before summation to avoid overflow. This is a serious bug for a long input sequence (>= 255).
• Minor stylistic refactoring.