Update version + date
stepwiseqtlM: covar not included as arg so can't be passed to stepwiseqtlF
Update version number + date
Revise indentation in stepwiseqtlF.R
Fix bug in scanqtlfn when using covariates
scanqtlfn: remove commented-out lines
stepwiseqtlF.R: fix problems with use of covariates
Merge pull request #6 from kbroman/master

Fix bug in stepwiseqtlM