Finished documenting internal crowd interface.
Requires rebuidl, but adding new optimization to speed up NSC. I found a 4x improvement.
Merge pull request #10 from sjyk/hive_perf_tweaks

Requires rebuild, but adding new optimization to speed up NSC.
Basically changed around the AQP class for faster group by queries
Merge pull request #11 from sjyk/fast_group_by

Basically changed around the AQP class for faster group by queries
Updated post script for bulk task loading.