* The first version of plato2. Not finished the network.

* Update decode stratage.

* Update decode stratage.

* Completed the encoder and decoder. But it will oom.

* Completed the encoder and decoder.

* backend the code.

* Only completed the network of plato2 and nsp.

* Completed the development. But the effect has not be verified.

* Add readme and remove the code about deal PY2 and PY3.

* Modify comment.

* Modify readme and add images.

* Delete the data folder.