Dtale

* [709](https://github.com/man-group/dtale/issues/709): added additional VSCode check for VSCODE_INJECTION
* [714](https://github.com/man-group/dtale/issues/714): pushed plotly legend below x-axis labels
* [711](https://github.com/man-group/dtale/issues/711): fix for predefined filters to return numbers to the backend when necessary
* frontend package upgrades:
* upgraded to latest version of react
* dropped enzyme in favor of testing-library/react
* upgraded chart.js

* [703](https://github.com/man-group/dtale/issues/703): fix for matplotlib imports
* [704](https://github.com/man-group/dtale/issues/704): fix for replacing nan with zero
* [677](https://github.com/man-group/dtale/issues/677): include row dropping in history

* Added DESCRIPTION.md to MANIFEST.in

* [693](https://github.com/man-group/dtale/issues/693): updated streamlit script to work with 1.12.0
* [694](https://github.com/man-group/dtale/issues/694): shortened setup.py long_description to help with hadoop downloads

* updating pillow dependency in python 3.6

* [688](https://github.com/man-group/dtale/issues/688): updated calls to Flask.url_for for version 2.2.1
* [676](https://github.com/man-group/dtale/issues/676): Changed final_query to include column
* Fix filtering string columns with special characters and explicitly support regex