docs: def mergeNewSeqs(seqArray, mergedDir, numProcs, areUniform, logger):
      '''
      This function takes a series of sequences and creates a big BWT by merging the smaller ones 
      Mostly a test function, no real purpose to the tool as of now
      @param seqArray - a list of '$'-terminated strings to be placed into the array
      @param mergedFN - the final destination filename for the merged BWT
      @param numProcs - the number of processors the merge is allowed to create
      '''
      #first wipe away any traces of old information for the case of overwriting a BWT at mergedFN
      MSBWTGen.clearAuxiliaryData(mergedDir)
      
      #create two smaller ones
      midPoint = len(seqArray)/3
      mergedDir1 = mergedDir+'0'
      mergedDir2 = mergedDir+'1'
      mergedDir3 = mergedDir+'2'
      
      try:
          shutil.rmtree(mergedDir1)
      except:
          pass
      try:
          shutil.rmtree(mergedDir2)
      except:
          pass
      try:
          shutil.rmtree(mergedDir3)
      except:
          pass
      os.makedirs(mergedDir1)
      os.makedirs(mergedDir2)
      os.makedirs(mergedDir3)
      
      createMSBWTFromSeqs(seqArray[0:midPoint], mergedDir1, numProcs, areUniform, logger)
      createMSBWTFromSeqs(seqArray[midPoint:2*midPoint], mergedDir2, numProcs, areUniform, logger)
      createMSBWTFromSeqs(seqArray[2*midPoint:], mergedDir3, numProcs, areUniform, logger)
      
      #now do the actual merging
      MSBWTGen.mergeNewMSBWT(mergedDir, [mergedDir1, mergedDir2, mergedDir3], numProcs, logger)