This representation is about 50% faster than 'array' for the levels where the sparse representation is used.
Bloom filter: Prepare for having other representations.
Bloom filter: Introduce dispatch for handling multiple representations.
Bloom filter: remove double-testing introduced in dispatch.
Bloom filter: Add faster, ETS-based build representation for dense bi…
Bloom filter: Handle hibernate situation in dense_bitmap.
Bloom filter: replace array with faster custom representation.