update to latest core.matrix snapshot
fix refer warnings
use latest vectorz snapshot
misc implementation tweaks
generalised scaling
transform fixes
inner and outer products for vectorz
misc edits
misc fixes
test 3D array instance
misc edits
addition and subtraction protocols
fix coercion tagging for add and sub
conversion for INDArray
tidy
tidy
diagonal and identity matrix construction
basic broadcast operation
reshape protocol
improved assignment