code: def _replace_variable_chunks(self, cmds):
          
  
          cons_cmd = None
          while cons_cmd is None:
              for cmd in cmds:
                  if cons_cmd is None:
                      cons_cmd = cmd[:]
                  else:
                      for idx, s in enumerate(cons_cmd):
                          if s not in cmd:
                              cons_cmd[idx] = self.var_html
          return cons_cmd
docs: List through a list of command chunks. Return a single list
          with any variable bits blanked out.