code: function _extractStatusCodeFromBody( body ){
  		let statusCode = 200;
  
  		if( bodyHasStatusCode( body ) ){
  			// Allow resolved responses to change status code
  			statusCode = body.statusCode;
  			delete body.statusCode;
  		}
  		return statusCode;
  	}
docs: NOTE: Modifies body
  
  Allows routes to change response status code by providing a statusCode property