How does the code tell if a gaw if for nitro or for other items?

[Zorral]

How does the code tell if a gaw if for nitro or for other items. And in addition, it doesn't seem to be joining gaws automatically, any fixes?

[Vedza]

Maybe something is broken, or you disabled it in the settings
https://github.com/Vedza/NitroSniperGo#usage