Fixes the example mod to run using modern IsaacScript versions.#1

Zamiell merged 6 commits into

IsaacScript:mainIsaacScript/isaacscript-mod-example:mainfrom

elliottcarlson:update-and-fix-example-modelliottcarlson/isaacscript-mod-example:update-and-fix-example-modCopy head branch name to clipboard