Cleaning up the code with PEP8 and removing unused functions.
Cleaning up the code with PEP8 and removing unused functions.

aigamedev/scikit-neuralnetwork,KhanSuleyman/scikit-neuralnetwork,agomariz/scikit-neuralnetwork,gticket/scikit-neuralnetwork,IndraVikas/scikit-neuralnetwork,freakynit/scikit-neuralnetwork