ncb000gt/node-cron — pull request #51 by jmaltz (2012-12-31 21:46:30+00:00)
Title: Fixed a bug whereby invalid syntax was accepted.

As noted in issue #50, CronTime was accepting "* * * /4 * *" as legal syntax when the correct syntax should be "* * * */4 * *". This commit raises an error if the user inputs invalid syntax.