Write to a file GOEA results in an ASCII text format.

def wr_txt(self, fout_txt):
        """Write to a file GOEA results in an ASCII text format."""
        with open(fout_txt, 'w') as prt:
            for line in self.ver_list:
                prt.write("{LINE}\n".format(LINE=line))
            self.prt_txt(prt)
            print("  WROTE: {TXT}".format(TXT=fout_txt))