add validation type to postprocess stitching wrapper
add validation type to postprocess stitching wrapper

jaeddy/bripipetools,jaeddy/bripipetools,jaeddy/bripipetools,BenaroyaResearch/bripipetools,jaeddy/bripipetools,BenaroyaResearch/bripipetools,BenaroyaResearch/bripipetools,BenaroyaResearch/bripipetools