pry/pry-coolline — pull request #30 by threeifbywhiskey (2014-12-09 04:52:36+00:00)
Title: Enabled the option to actually disable paren matching

The semantics of the `||=` operator prevented the user from being able to set
`Pry.config.coolline_paren_matching = false` and have it mean anything.
Instead, ensure the parameter hasn't been defined at all before setting it.