code: def get_all_values_of_all_params(self):
          
  
          values = collections.OrderedDict([[p, []] for p in
                                            sorted(self.get_params())])
  
          for result in self.get_results():
              for param in self.get_params():
                  values[param] += [result['params'][param]]
  
          sorted_values = collections.OrderedDict([[k,
                                                   sorted(list(set(values[k])))]
                                                   for k in values.keys()])
  
          for k in sorted_values.keys():
              if sorted_values[k] == []:
                  sorted_values[k] = None
  
          return sorted_values
docs: Return a dictionary containing all values that are taken by all
          available parameters.
  
          Always returns the parameter list in alphabetical order.