version 0.1.1 alpha

• Added NAS-Bench-101 search space
• Added NAS predictors that take an architecture encoding and predict its performance
• Added encoding utilities to convert from one representation to another
• Added One-shot and Random Search with Weight Sharing to the one-shot optimizers
• Added BANANAS (https://arxiv.org/abs/1910.11858), NPE-NAS (https://arxiv.org/pdf/2003.12857.pdf) and Local Search (https://arxiv.org/abs/2005.02960) to the discrete optimizers