Squashed 'Assets/erossonUnityUtils/' content from commit 2be838f

git-subtree-dir: Assets/erossonUnityUtils
git-subtree-split: 2be838f77b1e7207e4702570f6c92036cb4c5903
Merge commit 'ec3049a4c25d6607f18caa93b9954339f6a69d5f' as 'Assets/erossonUnityUtils'
refactoring. move debugutil to utils package

No functional changes to the game after the 48 hours are up, I promise! Just extracting stuff for future projects.
readme with submodule instructions