started with segmented scan
Merge pull request #7 from soloman817/master

Add sobol generator.
Merge branch 'master' of https://github.com/quantalea/Alea.cuExtension
commenting so that it compiles
Merge pull request #8 from soloman817/master

Refactor reduce.
Merge branch 'master' of https://github.com/quantalea/Alea.cuExtension
Merge branch 'master' of https://github.com/soloman817/Alea.cuExtension
segmented scan prototype runs but produces wrong values
fixing error in upsweep, results still wrong
fixes in segmented scan