 }
 
 //MARK: - Private Methods
-fileprivate extension DockerManager {
+extension DockerManager {
 	/// Validates the version parameter meets requirements.
 	///
 	/// - parameter version: the version information to check

			self.imageInfo = newInfo
			self.defaults[.cachedImageInfo] = json
			return true
		}
	}

	/// compares installedImages with imageInfo to see if a pull is necessary

	/// - returns: a signal producer with no value
	public func perform(operation: DockerContainerOperation, on inContainers: [DockerContainer]? = nil) -> SignalProducer<(), Rc2Error>
	{
		var selectedContainers = self.containers!
		if inContainers != nil {
			selectedContainers = inContainers!
		}
