code: def run_muse_with_merge(job, tumor_bam, normal_bam, univ_options, muse_options):
      
      spawn = job.wrapJobFn(run_muse, tumor_bam, normal_bam, univ_options, muse_options,
                            disk='100M').encapsulate()
      merge = job.wrapJobFn(merge_perchrom_vcfs, spawn.rv(), disk='100M')
      job.addChild(spawn)
      spawn.addChild(merge)
      return merge.rv()
docs: A wrapper for the the entire MuSE sub-graph.
  
      :param dict tumor_bam: Dict of bam and bai for tumor DNA-Seq
      :param dict normal_bam: Dict of bam and bai for normal DNA-Seq
      :param dict univ_options: Dict of universal options used by almost all tools
      :param dict muse_options: Options specific to MuSE
      :return: fsID to the merged MuSE calls
      :rtype: toil.fileStore.FileID