may break code: Wheels always return object references now, even if they fail. This may break programs that rely on some wheels' (most notably SocketFactory's) new() methods returning undef when they cannot be created successfully. This change was necessary to complete the wheels-have-unique-ids change also in this version.
Wheels have unique IDs now. These IDs are included in every event generated by a wheel, and they're accessible with the $wheel->ID() method. It's now possible to determine which wheel generated which event, which is useful if you have several wheels in the same session.
Many of the tests determined whether a wheel succeeded by its constructor's return value. Revised them to fail if error events are thrown.
Back to POE CHANGES.
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