TODO:
(X) Create and test naive nearest neighbors
(X) Create and test twin neural network
(X) Create and test DBM model
(X) Write organized testing code to compare model performances
(X) Write code to generate figures
(X) Analyze filters in first convolutional layer
(X) Create and test simple and general one-shot tasks
(X) Assess precision and recall for twin neural network
(X) Write testing for MNIST dataset