If you are playing the Custom Game version, you could just switch to the Non Custom Game version and continue playing through the stash mod of your choosing (also through Custom Game).
Here you go. Faster Leveling (All Versions) merged with New Caravan & Inventory (Extreme Edition) Fixed
Credits go to tt300 (hope this is fine, I only merged the files). You can find the mod page here: New Caravan & Inventory (Extreme Edition)