ENH: UseIntensityOnly and other speed to EnhanceTubes and Segmentation
ENH: Choosing optimizer for ridge and radius
Merge pull request #339 from aylward/SpeedSegmentTubes

Speed segment tubes
ENH: SegmentTubes tweaking for speed via stride through mask
Merge pull request #340 from aylward/SpeedSegmentTubes

ENH: SegmentTubes tweaking for speed via stride through mask
BUG: Fixed bug in ComputeSegmentTubesParameters regarding radius/scale
Merge pull request #341 from aylward/SpeedSegmentTubes

BUG: Fixed bug in ComputeSegmentTubesParameters regarding radius/scale
ENH: Added the option for PDFSegmenter to swap order of erosion/dilation
Merge pull request #342 from aylward/PDFSegmenterDilateFirst

ENH: Added the option for PDFSegmenter to swap order of erosion/dilation