julz/pat — pull request #16 by simonleung8 (2014-01-21 08:19:29+00:00)
Title: Allows an experiment to be continuously repeating at n seconds interval

- Setting 'second' to > 0 will spawn a goroutine to run task continuously with n second interval. It returns a *RepeatItem, which allows stopping the repeating task

- Setting 'second' to = 0 will run the task immediately without using gorountine, and nil will be returned