docs: def get_report(self):
      """Another report, but not context based"""
      ostr = ''
      ostr += "target\tquery\tcnt\ttotal\n"
      poss = ['-','A','C','G','T']
      for target in poss:
        for query in poss:
          ostr += target+ "\t"+query+"\t"+str(self.matrix[target][query])+"\t"+str(self.alignment_length)+"\n"
      return ostr