comment cleanup; init_user_cred sets a struct self.user_cred_struct if relevant
comment cleanup; init_user_cred sets a struct self.user_cred_struct if relevant

ahelsing/geni-tools,plantigrade/geni-tools,tcmitchell/geni-tools,tcmitchell/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools