DOC: describe balancing better
NF+TST: structjoin
ENH+TST: test for chunks and targets argument
BF: deal properly with 3D fmri datasets
ENH+RF: use cosmo_structjoin instead of matlab parser
ENH+RF: use cosmo_structjoin instead of matlab parser
ENH+RF: use cosmo_structjoin instead of matlab parser
NF+ENH: support for "!" in structjoin to indicate superset of allowed input arguments
WEB+SML: some rephrasing of matlab experience
DOC+SML
ENH: deal with 1, 2 or 3 arguments properly, similar as builtin "corr"
NF+TST: test corr