ENH:  Save source file list in pca model dict
ENH:  Save source file list in pca model dict

pdedumast/ShapeVariationAnalyzer,DCBIA-OrthoLab/ShapeVariationAnalyzer,DCBIA-OrthoLab/ShapeVariationAnalyzer,DCBIA-OrthoLab/ShapeVariationAnalyzer,pdedumast/ShapeVariationAnalyzer