Optimization: bounds check within a bounds check; it will already have passed.
EXPERIMENTAL: We have the object inst, so why don't we use it?
Revert "Optimization: bounds check within a bounds check; it will already have passed."

This reverts commit 73b15fe9600a62b6a5048f2fa0f23e40d208bc3e.
Added in sound functionality for GM5.
Merge pull request #778 from sorlok/with_other

Corrects misuse of event_iterator in polygone's fallback variable map implementation.
Merge pull request #779 from sorlok/gm5_more

Added in sound functionality for GM5.