nahi/httpclient — pull request #140 by nov (2013-01-25 03:27:03+00:00)
Title: Avoiding HttpClient::Message::Body#dump causes Encoding::CompatibilityError in some cases

When message body includes both files and UTF-8 strings, dumping the request/response causes Encoding::CompatibilityError.
1 line magic comment somehow fixed this issue.
(I'm still not good at ruby 1.9 encode handling..)