setgid -> setegid and setuid -> seteuid
Revert "setgid -> setegid and setuid -> seteuid"

This reverts commit c15bcf01baedb1e08d1ca12ec2cf56bd88068bf2.
Merge branch 'master' into issue-68
Fix #68. Retreiving uid and gid from string names, preserving option to
have ids specified in config primary.
Merge pull request #107 from DSoftOut/issue-68

Issue 68