allow re-joining of WrappedSubVector instances
better error messages
TODO for rotateView
Implement generic JoinedArray type
implement generic INDArray join
getShapeClone for AVector
vector joining tests
tests for vector joining, fix JoinedArrayVector special case
tidy and comments
extra join/slice test on diagonal matrix
add generic subArray functionality
fix import warning
add generic rotateView
tidy
getShapeClone overrides