[maven-release-plugin] prepare for next development iteration
readme edits
use latest vectorz and fix sparse weight updates
add guard
cross entropy tests and bounding
add loss function tests
Use scaled logistic from latest vectorz
delete scaled logistic redundant implementation
more equivalence tests for operators
add accessors for bias
numerical derivative testing
more derivative tests
add sparsifier module
derivative tests
sparsifier updates and tests
tidy
extra tests
test input gradient overwriting
misc edits
use latest vectorz