Okay what you wanted could all be controlled through the Classes database.
QuoteWhat weapons the race is capable of using.
What skills they are capable of learning (Optional)
What elements they are good with.
What classes they are capable of being (optional)
The classes that they are capable of being could easily be evented.
If you don't want a certain race being able to hold a certain weapon, make sure all the classes that it can be can't hold that weapon.
If you want certain races to be good against some elements, set the elements to what you want, and make sure those classes belong to that race.
The skills works the same way.
The script wasn't meant to add things that already existed which is why I didn't help. In fact, if you're confused after reading what I suggested here's a picture showing that it can all be done through the database.
Sorry I don't mean to sound like a troll or anything, but you don't need a script for every single thing. Scripts aren't meant to add features that RMXP already has. Which is what you're asking for. With a little bit of thinking you could have realized that you can setup what you want through the database.
If needed make multiple classes for different races. It sounds like a lot of work, but making a game is a lot of work.
EDIT: Right now the script adds bonus skills and bonus stats. Which in a sense the skills was worthless because that can be controlled through the database as well. I made the script the way I wanted to and I didn't make it to add silly changes to it.