added 2 em dash for vertical concatenation
hide documentation
better reexport modules
improved documentation
top reexport module
(<>) and (×)

(<>) back for compat, added (×), LSDiv, +documentation, classes to dev, Monoid using optimiseMult,
allow empty arrays
extend conformability  to empty arrays
fix C warnings
added qrgr
undeprecate <.>, extended to contraction
empty hmatrix-base
moved Random
Data.Packed -> base (I)
Conversion, LAPACK -> base
separation ok