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Donovan,
I checked your mods in, with the following changes:
- I had to massage getbaseclasses() a bit
- I replaced your aetypes.beginning() and end() by something
  a bit more in line with the rest of the module
- I removed your macresource.open_file mods.

If you still feel the latter are needed (I don't seem to need them) please file a separate bug report. If you find any issues with the other stuff please let me know asap.