Fixed fatal error Call-time pass-by-reference has been removed; If you would like to pass argument by reference, modify the declaration of do_action(). -- wrapped arg in an array to pass by reference
Merge pull request #29 from iamfriendly/passbyreffix_iamfriendly

PHP Fatal error: Call-time pass-by-reference has been removed; If you would like to pass argument by reference, modify the declaration of do_action().