njh/ruby-waveinfo — pull request #1 by will-in-wi (2014-06-02 21:43:14+00:00)
Title: Cause error to inherit from StandardError rather than Exception.

This is best practice as if you catch Exception, you would also catch Ctrl-C, Out of Memory, or any other critical errors.

http://rubylearning.com/satishtalim/ruby_exceptions.html