LungCTAnalyzer extension for lung CT segmentation and analysis for COVID-19 assessment

@lassoan never thought you could set volume spacing from the Volumes extension directly.
So now I can confirm that setting a rodent microCT´s spacing from 0.133mm 10 x larger enables the use of Lung CT Segmenter

with the following lung thresholds:
image

The other option does not work for me yet. Testing …