code: def _read_info_as_dict(fid, values):
      
      output = {}
      for key, fmt in values:
          val = unpack(fmt, fid.read(calcsize(fmt)))
          if len(val) == 1:
              output[key] = val[0]
          else:
              output[key] = val
      return output
docs: Convenience function to read info in axon data to a nicely organized
      dict.