onyx-and-iris 4fdebc8178 Callbacks module extended
Now supports callback methods as well observer classes

levels example now uses callback methods

register,deregister now alias add/remove observer methods

minor version bump
2023-07-27 14:55:00 +01:00
..
2023-07-27 14:55:00 +01:00
2023-07-27 14:55:00 +01:00
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