BUG: Remove SpatialObjectProperty's writable string methods from SWIG
BUG: Silence LabelGeometry deprecation
BUG: Remove check for nullptr after new
ENH: Create PrintSelf method for Matrix class with indenting
ENH: A GTest for LabelUniqueLabelMapFilter
BUG: Remove dilation output in test
BUG: Check output of StatisticsUniqueLabelMapFilterTest1
BUG: Address bugs in unique label map filters