Refactored variable naming.
Moved history window behind as much as feature extraction history is.
Adding tests for sampling methods.
Moved time-row resolution to upper level

- to avoid duplicate time vector lookups
Function for filtering data points based on given interval.
Applying interval filtering for mixture predictors functions.
Fixing forgotten naming refactoring.
exported feature tool
fixing faulty logic in indeces picking.
Passing prediction interval to upper level call
Adding time to final output
Adding notes, chaging order of variables