rest-client/rest-client — pull request #239 by krallin (2013-10-28 10:35:10+00:00)
Title: Don't use mime-types 2.0 (Ruby 1.8 support)

Mime-types 2.0 breaks compatibility with Ruby 1.8, here's a suggestion to use an older version.

The PR isn't against the right branch, as there is no branch that point to the 1.6.7 tag, but here's the idea.