Numba riddance

adresses #425 (closed)

• removes numba dependency/usage from saqc
• adds replacement mechanics to make up for performance loss
• see #425 (closed) for an overview over the loss-trade offs (witch are fairly minimal to non-existant in focus use-cases)

saqc/funcs/outliers.py

@@ -943,7 +943,7 @@ class OutliersMixin:
         .. doctest:: flagOffsetExample
 
            >>> import saqc
-           >>> data = pd.DataFrame({'data':np.array([5,5,8,16,17,7,4,4,4,1,1,4])}, index=pd.date_range('2000',window='1H', periods=12))
+           >>> data = pd.DataFrame({'data':np.array([5,5,8,16,17,7,4,4,4,1,1,4])}, index=pd.date_range('2000',freq='1H', periods=12))
            >>> data
                                 data
            2000-01-01 00:00:00     5