Wirble is a set of enhancements to Irb all included together in one easy-to-use
package. Specifically, Wirble adds a saved history, a couple of useful
shortcuts, and color to Irb. Wirble also enables a Irb's built-in
tab-completion and a simpler prompt.

Author: Paul Duncan <pabs@pablotron.org>
WWW: http://pablotron.org/software/wirble/

PR: ports/107679
Submitted by: Christopher Boumenot <boumenot at gmail.com>