code: def verify_package(verbose=True):
      
      results = (
          verify_directory(verbose),
          verify_experiment_module(verbose),
          verify_config(verbose),
          verify_no_conflicts(verbose),
      )
  
      ok = all(results)
  
      return ok
docs: Perform a series of checks on the current directory to verify that
      it's a valid Dallinger experiment.