Added compression to bitmap sqlite storage
Added compression to bitmap sqlite storage

The roaring is 3.8x faster than intbitset, but 2.8x times bigger.
Using blosc-zstd compression, it is only 1.6x bigger, but still 3.85x faster.

3D-e-Chem/python-modified-tanimoto,3D-e-Chem/kripodb,3D-e-Chem/kripodb