Thank you David,
That's the method I want to avoid, because this creates a new version of the .plan file and creates the need for more storage space if multiple versions or revisions are created.
Ideally, I would like to maintain .plan file in the cloud and have the ability to pull custom textures and such from the cloud without "complaints" from the software. If someone has done this I would really like to know how they did it.
If this is simply impossible for the software, then I hope C.A. takes a look at this, because more often than not, architectural design requires a team to get things done.