--------------------
* Drop Python 2 support (60)
* Remove deprecated functions as follows (76):
* ``TableAPI.create_item_table``
* ``UserAPI.change_email``, ``UserAPI.change_password``, and ``UserAPI.change_my_password``
* ``JobAPI.hive_query``, and ``JobAPI.pig_query``
* Support ``TableAPI.tail`` and ``TableAPI.change_database`` (64, 71)
* Introduce documentation site (65, 66, 70, 72)