PAGI 0.1.1

• Added max_to_keep option to the tf.train.Saver to increase the number of checkpoints saved
• Combined leaky-relu and leaky_relu in the activation function selector as one condition, so either option should return tf.nn.leaky_relu
• Fixed a major bug where tf_do_training was always returning the training op, even at test time
• Added softmax nonlinearity to the activation function selector
• Major improvements to the Embedding base class
• Other bug fixes and minor improvements