NBBS v0.1.2

Improved overall code factoring (e.g. sl and nb algorithms use the same baseline code).

This should correspond to the result of R.M. PhD thesis.

NBBS v0.1.1

Added optimizations for reducing the number of atomics.
It matches the following paper: CCGRID2019

NBBS v0.1.0

First valid release.
Improved iterative mode and memory accesses of NBBS algorithms.

It matches the following paper: CLUSTER2018

NBBS v0.0.1

Very first inefficient release of NBBS.