Add zip_safe=False to setup.py. Add pythonEmbedder and stub-files for apiEmbedder and function selector. Add custom-steps directory and make sure it is installed correctly.
Added apiEmbedder.py.
Added AUTHORS and also listed Alwin.
Cache distance matrices by default. Use sally-based embedder as a replacement for the slow python code.
Allow APIEmbedder to be used programmatically and not just via the shell.
Allow KNN to be used programmatically and not just via the shell.
Added docs for apiEmbedder and knn.
Print neighbors in knn.py not in KNN.py.
Minor fixes for APIEmbedder and KNN.