NSMutableData changed to NSData
NSMutableData changed to NSData

1110vijaykumar/MLPNeuralNet,NunoEdgarGub1/MLPNeuralNet,elkingtonmcb/MLPNeuralNet,nikolaypavlov/MLPNeuralNet,tmbo/MLPNeuralNet,1110vijaykumar007/MLPNeuralNet,wiki-fab/MLPNeuralNet