function calls. Instead of copying the entire dios, we now only
store the values we actually masked and their `iloc`-position.
This has the same worst-case-costs (i.e. all values are subject
to masking) but results in significantly cheaper average costs
(i.e. only a small subset of values are subject to masking)

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

and another for Config calls

and another for Config calls

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

The tests wasn't included in the last merged merge-request !52 (masking b),
because it was a complete rewrite from scratch, because !45 was outdated.

David Schäfer authored 4 years ago and Bert Palm committed 4 years ago

  - most things work
  - all remaining things are solveable
  - a lot of cleanup ahead

naming scheme

        were not available in flagger based dsl function (e.g. isflagged)

data is not solved yet