create basic dev ipynb (please for it to dev)
try to compute distance with sparse matrix
change the structure of package
add sorting tools in sdfs
use ptrs uniformly instead of ptr
use ptrs uniformly instead of ptr
change the arg name reversed to reverse in sdfs.top_k_ptrs and sdfs.top_k_idx
[REFACTOR] weighted_features_methods.py with extracting out the weighted_features_summarizer