Who cares?
I've figured a code in the past. I shared it (and still share it to this day) with people who ask.
I'm currently figuring out all of the details so that I can make a detailed list (which will also be utilized in Bully-MP, mind you) so that people can customize their environments a bit.
People have made and released mods using this code. So the question is: Am I entitled to credit?
No. Even if I explained the code to them, the only reason for them to credit me would be out of respect or formality.
I don't own that aspect of the game, and nor does anyone else (but RockstarGames and the righful developers).
Some of these fights that occour when people "steal" or "leech" make me cringe when reading. It's a poor display what should be a community pulling together possibly making way more progress.