code: private function registerPipelineRepository()
  	{
  		$abstract = 'Cerbero\Workflow\Repositories\PipelineRepositoryInterface';
  
  		$this->app->bind($abstract, function($app)
  		{
  			return new YamlPipelineRepository
  			(
  				new SymfonyYamlParser,
  
  				new \Illuminate\Filesystem\Filesystem,
  
  				config('workflow.path')
  			);
  		});
  	}
docs: Register the pipeline repository.
  
  @author	Andrea Marco Sartori
  @return	void