Upstream changes:
2016-05-14 Tony Plate <tplate@acm.org>
* Version 1.4-4
* add imports to NAMESPACE file
2016-04-16 Tony Plate <tplate@acm.org>
* Version 1.4-3
* add ... args to asub() and adrop() generics
2013-08-18 Tony Plate <tplate@acm.org>
* Version 1.4-1
* add use.dnns= arg to abind() to propagate names on dimnames (i.e., names(dimnames(x)))
* add ability for hier.names= arg to abind() to take values 'before' and 'after' (TRUE and FALSE still work with unchanged meaning)
Combine multi-dimensional arrays. This is a generalization of cbind
and rbind. Takes a sequence of vectors, matrices, or arrays and
produces a single array of the same or higher dimension.