A BitSet for Node.js more like java.util.BitSet

https://github.com/inexplicable/ql.io/blob/master/modules/context-config/bitset.js I tried https://github.com/tdegrunt/bitset, it’s a nice CoffeeScript implementation, but there’re a few things I don’t get, for one, its position starts from 1, not 0. If that could be overcomed, there’s the poor #cardinality implementation, which really iterates every bit to sum it up. The last straw was the fact that #nextSetBit was completely missing.…