Tabs to spaces in Python files
Added to the doc, some shape restriction.
Merge pull request #1031 from nouiz/doc

Added to the doc, some shape restriction.
fix cifar10 onehot, and pep8
Merge pull request #1024 from matthiasgoergens/master

Tabs to spaces in Python files
fix moniroting for nlp softmax
change dtype
make one_hot none
Merge pull request #1033 from memimo/onehotfix

Fix cifar10 onehot, and pep8
Merge pull request #1035 from memimo/nlp_softmax

fix moniroting for nlp softmax