Guys... just use KDiff3 (download a standalone off google or just use what was in the Script Merger) and merge CDPR's v1.11 vanilla scripts with the v1.10 mod script. I would say 95% of the mods don't actually overwrite CDPR code... just extends it. For the off chance that a section is overwritten by a mod author, just use your best judgment.
KDiff3 has directory to directory comparisons. All you need to do is set (A) source directory to be C:\Program Files\The Witcher 3 Wild Hunt\content\content0\scripts then you set (B) source directory to be C:\Program Files\The Witcher 3 Wild Hunt\Mods\someMod\content\scripts. In the top toolbar you will have an icon to show only (B) files. Do that and then go through each file that needs a merge. A few mins later you should have a v1.11 mod version.