Jquery Easing

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It seems that I should know this, but alas I do not! Does Concrete auto-include the latest stable version of jquery easing, as it does the latest version of jquery library?

I am working on a new add-on for the marketplace that requires jquery easing (has an animation effect). I know that a number of other add-ons and themes in the marketplace include it, so I am unsure of what to do in regards to how I should call it into the header, so as to prevent conflicts.

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