Revert 89752db..4a30872

This rolls back to commit 89752db969525838f35bc7d924756e63c99cb11b.
Revert 8451605..67b231e

This rolls back to commit 8451605b20123bf015c361135c139f63c48064d4.
Revert "added deltas to classes"

Conflicts:
	backPropLearning.py
Merge branch 'master' of https://github.com/rigdent/NeuralNetwork