Swapped out references to $this->source and $this->request to be $this->getSource() and $this->getRequest()
Swapped out references to $this->source and $this->request to be $this->getSource() and $this->getRequest()

This allows us to do some lazy loading, making our code more flexible.

camargoanderso/SLIR,rezozero/slir,rezozero/slir,lencioni/SLIR,camargoanderso/SLIR,lencioni/SLIR