soir20

Hello! The [Mode Overview](https://github.com/processing/processing/wiki/Mode-Overview) wiki page in this repository currently links to an outdated mode template for Processing 2. There's [another template](https://github.com/joelmoniz/TemplateMode/tree/3.0-compatibility) that was created for 3.0 but breaks on...

Add missing null handling to `GroupResourcePack`

2

Currently, two methods in `GroupResourcePack` will throw `NullPointerException`s if there is no pack for the given namespace. I've tweaked these methods so that the `GroupResourcePack` won't crash the game in...