future (>= 1.4.0), foreach (>= 1.4.3), iterators (>= 1.0.8),
parallel, utils
future (>= 1.6.1), foreach (>= 1.4.3), iterators (>= 1.0.8),
parallel, utils
future (>= 1.6.2), foreach (>= 1.4.3), iterators (>= 1.0.8),
parallel, utils
globals (>= 0.12.5), iterators (>= 1.0.12), parallel, utils
future.apply, globals, iterators, parallel, utils