within visit. At this point in time I think this is good enough. In the future
it could be possible to extend the expression syntax to allow within-visit
evaluations.

different numbers of columns are collapsed with logical OR, instead of
an error being raised.

of columns

Rf/colnames

Closes #18

See merge request fsl/funpack!66

Bf/resource

See merge request fsl/funpack!65

Rf/sparse parallel

Closes #15

See merge request fsl/funpack!64

Bf/broadcast

Closes #17

See merge request fsl/funpack!63

function accepts a list of take vids, and will pair them up with the main
vids

Bf/fmribtimes

See merge request fsl/funpack!62

Rf/date norm in cleaning

See merge request fsl/funpack!61