Rainbows! is an HTTP server for sleepy Rack applications. It is based on
Unicorn, but designed to handle applications that expect long
request/response times and/or slow clients.

* http://rainbows.rubyforge.org/
* rainbows-talk@rubyforge.org />* git://bogomips.org/rainbows.git

Changes:

Fiber-based concurrency options avoids negative sleep
intervals. Thanks to Lin Jen-Shin for pointing this out.