Experimental version of Copula Classifier and Stable Neural Network Based Classifier

Classifier_V4[Stable] : Stable working version of Copula based Classifiers. Classifier_V5[Experimental] : Unstable and experimental version of Copula based Classifiers. Neural Networks : Ordinary CNN and RNN based neural networks for Doc Classification Hybrid Networks : Hybrid networks composed of multiple CNNs and RNNs to generate sentence level embeddings, for Doc Classification.