2009-06-19: .300
  - Removed all usage of source filters
  - Misc fixes to experimental classes

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2009-04-21: Developer release 0.20_03
  - 0.21 release candidate
  - Add missing dependencies to Makefile.PL
  - Add rudimentary post-install test script
  - Several doc edits
  - Minor bug fixes and tweaks for CPAN indexer

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2009-04-17: Initial CPAN release 0.20