FIX stats.test.star()
DOC testnd.ttest_rel:  require match argument
DOC ClusterDist repr:  don’t include p>=1 when no clusters found
DOC plot.brain.dspm():  require fmin > 0
ENH Factor:  ADD .relabel()
ENH combine():  check identity to retain items in info dictionary
ENH MneExperiment:  Superset-epochs
FIX MneExperiment.make_evoked():  cache check

correctly determine rejection file for time stamp comparison
PROFILE:  lm_anova_full
OPT opt:  wraparound=False
RF opt:  don’t slice memoryview for lm_betas
WIP _mne:  combine_source_spaces()