Base classes
  __init__.py
  base.py
  plugin.py

Useful (???) functions
  misc.py

Dumb plugin (unparsed content)
  Dumb.py

Word plugin (need wvWare)
  MSWord.py
  wvZope.xml

PDF plugin (need xpdf)
  PDF.py

RTF plugin (need gnu-unrtf)
  RTF.py

Text plugin
  Text.py
