SHAR Old Expressions Exporter and Custom Iris Wipes

Thanks to recently leaked p3d explorer, I was able to dig through Old Expression chunks that act very similar to blender's shapekeys. Doesn't seem like they are used anywhere outside of animating iris wipe transition. So that's the only thing I tested the add-on on anyway (it's mostly likely not gonna work for other cases If you have more than 1 OldPrimitiveGroup for example)
I might record a small tutorial on how to make custom ones, let me know if anyone's actually interested in that.

Expression Exporter + Custom Iris mod (Mega)