Vertica-python

* Raise ConnectionError in connection.write (401)
* Fix `DATETIME` type object: add the missing vertica type DATE (402)
* Add tests for `Cursor.description` (402)
* Upgrade Travis test settings and update README (400) (402)

* Fixed 387: Add Autocommit APIs (395)

* Support COPY FROM LOCAL (386)
* Add numeric prefix schema support for cursor.executemany() (382)
* Fix rowcount inconsistency for nextset (388)

* Improve Cursor.copy() error handling (367)
* Add default tuple adapter (368)(372)
* Make vertica_python.errors classes (un)picklable (374)

* fetchone() performance improvements (356)(361)
* query with parameters improvements (363)

- Fixed 352: Bug when log_path set to None (354)
- Fixed 330: Remove future dependency (351)
- Update copyright for 2020