What's changed
- Fixed save_index spec.
- updated to hnswlib v0.8.0
- implemenmted
HNSWLib.BFIndex.get_max_elements/1
- implemenmted
HNSWLib.BFIndex.get_current_count/1
- implemenmted
HNSWLib.BFIndex.{set_num_threads/2,get_num_threads/1}
- implemenmted
HNSWLib.Index.index_file_size/1
- implemenmted