Eda-report

What's Changed

* Use `StringDtype` for text & mixed data. Fixes 16 (in 18)

`object` dtype causes errors when sorting mixed numeric+text data.
* Drop completely empty columns. Fixes 17

Update data validation to drop columns full of `NaN`.
Empty columns caused a fatal error by breaking analysis functions.
* Separate build & dev requirements

Add separate requirement files for docs & testing.
Update dependencies

**Full Changelog**: https://github.com/Tim-Abwao/eda-report/compare/v2.5.1...v2.6.0

Update the GUI

* Resize the gui to 560x320, and adjust components accordingly.
* Make the intro brief and to the point.
* Update canvas background image.

Update docs

* Add screencast of iris data report to docs.

Improve number formating.

* Round off numeric summary statistics to 4dp.
* Don't display insignificant zeros i.e show 1.0000 as 1, and 1.230 as 1.23.

Update error messages

* Display a helpful message if the tkinter module is missing (ModuleNotFoundError).
* Show expected input in file import error message.

Miscellaneous changes

* Add `[run] sigterm = true` to .coveragerc, new in coverage version 6.4.
* Rename scatter-plot to regression-plot.

*Full Changelog*: https://github.com/Tim-Abwao/eda-report/compare/v2.5.0...v2.5.1

What's Changed
* Run tasks in parallel using multiprocessing in https://github.com/Tim-Abwao/eda-report/pull/13.
* Rename `PlotVariable` to `UnivariatePlots`.
* Rename `PlotMultivariable` to `BivariatePlots`.
* Explicitly specify color palette in plotting functions.
* Add the content module.
* Add `AnalysisResult`.
* Move `ReportContent` from document.py to content.py.
* Customize progress bars: Describe what is happening, and make the bars line up.
* Add the `analyze_univariate` function: A convenient way to get summary statistics for one-dimensional input
* Rename [var_type]Variable to [var_type]Stats.
* Merge `BaseVariable` into `Variable`.
* Update dependencies in response to CVE-2022-24758.

**Full Changelog**: https://github.com/Tim-Abwao/eda-report/compare/v2.4.1...v2.5.0

Highlights

- Add the Shapiro-Wilk test for normality.

**Full Changelog**: https://github.com/Tim-Abwao/eda-report/compare/v2.4.0...v2.4.1

Highlights
- Add tests for normality.
- Miscellaneous improvements to report appearance.


**Full Changelog**: https://github.com/Tim-Abwao/eda-report/compare/v2.3.1...v2.4.0

**Full Changelog**: https://github.com/Tim-Abwao/eda-report/compare/v2.3.0...v2.3.1