amplab/graphx — pull request #80 by ankurdave (2013-11-26 23:34:11+00:00)
Title: Test GraphImpl.subgraph and fix bug

Thanks to @rxin for finding the bug in #79: https://github.com/amplab/graphx/pull/79/files#diff-6b119709f23509a7954b8348907e007eR74