rebuilt getParameters() still testing / smoking it out
rebuilt setParameter() for NNOptimizer
rebuilt setParameters() for NNOptimizer, maybe eventually I'll smoke this bug out
rebuilt RBMOptimizer to match NNO, smoke out testing continues
fixed bug in NeuralNetworkOptimizer where setParameter was setting something at the tail everytime
fixed bug in NeuralNetworkOptimizer where getParameter() was not returning the right element