Adding a method to construct valid filename strings from image operation arrays to be able to cache the image versions based on this string by suffixing them with it.
Adding a method to construct valid filename strings from image operation arrays to be able to cache the image versions based on this string by suffixing them with it.

dereuromark/cakephp-imagine-plugin,CodeBlastr/Imagine-CakePHP-Plugin,burzum/cakephp-imagine-plugin