Updates for the bias study stuff with a few bugs ironed out and changes implemented.
Waiting on function from Paul to calc on the fly exact p-value correction.
Then should be good to go.
Matt: merging with remote master on github.

I made some changes and had them in a commit. Wanted to push them but I hadn't done a pull already. Nothing should be screwed up by this.

Merge branch 'master' of github.com:nucleosynthesis/EnvelopePaper