Fitter

What's Changed
* Update timeout in docs from 10 to 30 seconds by mpadge in https://github.com/cokelaer/fitter/pull/47
* Add Kolmogorov-Smirnov goodness-of-fit statistic by lahdjirayhan in https://github.com/cokelaer/fitter/pull/58
* Make tests not leave temporary files by lahdjirayhan in https://github.com/cokelaer/fitter/pull/59
* rename default branch from master to main by cokelaer

**Full Changelog**: https://github.com/cokelaer/fitter/compare/v1.4.0...v1.4.1

Include several contributions. See README.rst for details

* use logging module instead of prints
* add fitter standalone application
* add progress bar

The pypi version 1.2 and this tag are slightly different. The differences are only related to documentation and continous integration. Code should be similar in its behaviour