OpSplitBodyPostprocessing: OpAccumulateFragmentSegmentations: Eliminated an unecessary temporary.
OpSplitBodySupervoxelExport: Added a schematic comment.
DataSelection: DatasetInfo json schema fields: drange is tuple, not str.
Carving: Serializer: Fix crash if no seeds loaded.
SplitBodySupervoxelExport: Filter out small border supervoxels and fill the resulting holes with region growing from the other supervoxels.
SplitBodyPostprocessing: Added serializer stub and notes.
ilastik.py: debug arg comments.
OpMaskedWatershed: Added an assert.
SplitBodyCarving: Moved a few operator classes to lazyflow.
Also, implement masked select as a composition of OpMaskedSelect and OpDtypeView