Fix indentation in stepwiseF.R
stepwiseqtlF.R: Remove commented-out lines
Fix bug in stepwiseqtlF.R re missing comma in pheno[!hasmissing,]

 - Discovered by Max Feldman, Baxter lab
Update version and date
Merge pull request #5 from kbroman/master

Fix bug in stepwiseqtlF discovered by Max Feldman