* hotfix for KeyError loading metadata for columns with min/max information
1.7.4
Not secure
* [63](https://github.com/man-group/dtale/issues/63): filtering columns with special characters in name * added json_loader CLI options * updated moving/locking of columns to be persisted to back-end as well as front-end * added the ability to show/hide columns * [61](https://github.com/man-group/dtale/issues/61): added column builder popup
1.7.3
Not secure
* added the ability to move columns left or right as well as to the front * added formatting capabilities for strings & dates * persist formatting settings to popup on reopening * bugfix for width-calculation on formatting change
1.7.2
Not secure
* 60 timeout handling around chart requests * pre-loaded charts through URL search strings * pandas query examples in Filter popup
1.7.1
Not secure
* added pie, 3D scatter & surface charts * updated popups to be displayed when the browser dimensions are too small to host a modal * removed Swagger due to its lack up support for updated dependencies
1.7.0
Not secure
* redesign of charts popup to use plotly/dash * [55](https://github.com/man-group/dtale/issues/55): raise exception when data contains duplicate column names * heatmap integration * combination of "_main.jsx" files into one for spacial optimization * [15](https://github.com/man-group/dtale/issues/15): made arctic an "extra" dependency