add Matrix construction using double[][] array
test double[][] matrix construction
improve matrix creation with double[][] array
improve matrix creation errors
Refactor vectors to extend ASparseVector
make AxisVector extend ASparseVector
Vectorz.createSparse functionality
test Vectorz createSparse equality
doc and test edits
Better VectorBuilder vector construction
Make VectorBuilder work as a Vector
Allow VectorBuilder to append whole vectors
rename add to append in MatrixBuilder
Make MatrixBuilder work as an AVectorMatrix descendant
tidy