Geoff:> added some parallelism, not perfect I don't believe, but is a start
	modified:   Neurons/Brain.cpp
	modified:   Neurons/Layer.cpp
	modified:   Neurons/Layer.h
	modified:   Neurons/Main.cpp
	modified:   Neurons/Neuron.cpp
	modified:   Neurons/Neuron.h
	modified:   Neurons/Node.cpp
	modified:   Neurons/Playground.cpp
	modified:   Neurons/Playground.h
	modified:   makefile