I have a fairly large Mura installation, with a good number of sites on it. I have some customizations that I'd like to be pushed out across all of the sites in my installation. For example, I've changed the way the dspPrimaryNav function works, so that I can prevent child pages from being displayed. Unfortunately, as flexible and customizable as Mura is, there is no good to make global changes to the `contentRenderer.cfc` without losing those changes everytime you perform an update to your core files.

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