code: def storedata(filename=None):
      
      if filename is None:
          filename = 'credolib_state.pickle'
      ns = get_ipython().user_ns
      with open(filename, 'wb') as f:
          d = {}
          for var in ['_headers', '_loaders', '_data1d', '_data2d', '_data1dunited',
                      'allsamplenames', '_headers_sample', 'badfsns', '_rowavg',
                      'saveto_dir',
                      'badfsns_datcmp', 'auximages_dir', 'subtractedsamplenames', 'outputpath', 'saveto_dir_rel',
                      'auximages_dir_rel', 'crd_prefix']:
              try:
                  d[var] = ns[var]
              except KeyError:
                  warnings.warn('Skipping storage of unavailable variable "%s"' % var)
          pickle.dump(d, f)
docs: Store the state of the current credolib workspace in a pickle file.