Another VCS model update; reworked Dendro Num Feat. Model

VCS
* Deviates from powerlaw on the largest scales, added parameter to ignore those points (default set to ignore the 1st 2 points)

Dendro Num.
* Abandon the segmented model approach for sliding window to find the break point. Fit a line to the points past the break
* Records the break point as another potential diagnostic measure to use