joey711/phyloseq — pull request #126 by joey711 (2012-07-24 23:58:39+00:00)
Title: Fixed minor bug in prune_samples method, and added unit tests

The fix should help prevent same and related problems in the future; meanwhile the unit tests may help flag future problems with this method, and of course, they should be augmented in concert with additions/changes to `prune_samples`.