New creates new instance of Service instance and returns closure func that will stop service.

ErrCorrupted returned when instagram returned error response more than one time during loop processing.

ErrLimitExceed returned when limit for action exceeded.

ErrNoUsernamesPassed returns when usernames list is empty.

ErrNoUsers means that no users found.

ErrUserInWhitelist means that user skipped.

ErrUserNotFound returned when user not found.

Params holds Service constructor parameters.

Service represents service for operating instagram account.

StopFunc closure func that will stop service.