docs: def __reorganize_chron_header(line):
          """
          Reorganize the list of variables. If there are units given, log them.
          :param str line:
          :return dict: key: variable, val: units (optional)
          """
          d = {}
          # Header variables should be tab-delimited. Use regex to split by tabs
          m = re.split(re_tab_split, line)
          # If there was an output match from the line, then keep going
          if m:
              # Loop once for each variable in the line
              for s in m:
                  # Match the variable to the 'variable (units)' regex to look for units
                  m2 = re.match(re_var_w_units, s)
                  # If there was a match
                  if m2:
                      # If no units were found, set to blank
                      if m2.group(2) is None:
                          d[m2.group(1)] = ""
                      # Units were found
                      else:
                          # Set both values
                          d[m2.group(1)] = m2.group(2)
          return d