code: public function update($pipeline, array $attachments, array $detachments)
  	{
  		$this->detach($this->pipelines[$pipeline], $detachments);
  
  		$this->attach($this->pipelines[$pipeline], $attachments);
  
  		$this->refreshPipelines();
  	}
docs: Update the given pipeline and its pipes.
  
  @author	Andrea Marco Sartori
  @param	string	$pipeline
  @param	array	$attachments
  @param	array	$detachments
  @return	void