Reduce memory footprint for knn and use h5py instead of pickle.
Instead of caching all distances on disk, just calculate distances for the limit-set.
Fix for id handling in new KNN code.
Fix for new knn code.
And another fix for the new code.
Do API embedding in chunks to workaround timeouts of requests of the jetty server in neo4j.
Merge branch 'master' of https://github.com/fabsx00/joern-tools