Tomasz Wegrzanowski
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* contributed the code that allows fri to find a method in the ancestors
  for core classes

Dee Zsombor
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* reported problem with ri-emacs setting $stdout.sync to true

Greg Weber
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* came up with the idea to load optparse only when needed,
  saving some 10-30ms per run.

Steven Lumos
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* found bug triggered by hyphens in Gem.path

Lee Marlow
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* helped fix FastRI on Leopard

Steve Madsen
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* reported the problems on Leopard and tested the patches