As of PHP 5.4.0, call-time pass-by-reference was removed, so using it will raise a fatal error. http://php.net/manual/en/language.references.pass.php
Merge pull request #2 from gruenspar/remove-call-by-reference

As of PHP 5.4.0, call-time pass-by-reference was removed, so using it wi...
Pass termination parameter correctly.
Merge pull request #4 from gruenspar/fix-terminate-rebase

Pass termination parameter correctly.
Merge branch 'master' of github.com:ajbonner/mage-resque