GitLab

* Sentiment analysis implmenttion in pure Keras.

- This is an update for the sentiment analysis model's pure Keras version.
-- Converting it from the version using Tensorflow's estimator, as it has a issue that affects the accuracy of the model negatively.
- The implementation is with the reference to paddle version.
-- Adjustment of the hyperparameters was done to achieve the accuracy of ~90%

* addressing comments

* addressig comments

also adding

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

for each module as it seemingly is a standard in the repo.

* addressing the final comment.