Its not a dolphin thing ;)
You have and you will ever have this problem with every script which you are modifing by yourselfe. You are making changes in the core of dolphin. How should any script or company know, which changes you are making? They can only support you with their core.
You are not able to make upgrades for custom things, this is not possible. When you change a line int that script, how should they know it? ;)