Release 1.4.1

Implementing Database Management System.

This is an incomplete list among the many features added.

• New Features
• Implementing database management system by @fangde @zsdonghao

from tensorlayer.db import TensorDB
db = TensorDB(ip='localhost', port=27017, db_name='atari', user_name=None, password=None)

• Updates
  • Basic Layer for name scope by @hanshengchiu @akaraspt
  • PoolLayer documentation by @Kongsea