Adds a result to the dictionary.

    Args:
      dict_entry: main dict to add entry
      entry: slot for this entry (likely an integer)
      dt: the timing for the entry
      start_time: when the entry started unix time float

def _add_result(self, dict_entry, entry, dt, start_time):
    """Adds a result to the dictionary.

    Args:
      dict_entry: main dict to add entry
      entry: slot for this entry (likely an integer)
      dt: the timing for the entry
      start_time: when the entry started unix time float
    """
    time_entry = {}
    time_entry['dt'] = dt
    time_entry['start_time'] = start_time
    dict_entry[entry] = time_entry