This reverts merge request !351

for bigger datasets.

the word 'Flagger' now is History, we have 'Flags' now (except for plotting, which is old and deaf and probably die soon anyway)

Peter Lünenschloß authored 4 years ago and Bert Palm committed 4 years ago

Update .gitlab-ci.yml
Update requirements_sphinx.txt

fixed constants detection. -there was the famous `ramp-up` error, because of the laggy implementation of pd.rolling ;)