Picombo 是一个基于 Rack 的 Ruby MVC Web 框架，主要设计原则来自于 Kohana PHP 框架，是一个快速、轻量级和易用的框架。
主要特点：
Namespaced - All built in classes of Picombo are namespaced Smart Class Autoloadin g - All built in classes of Picombo are autoloaded when they are called Filesystem Extensions - Allows common functionality to live in a common place, and be “plugged into” your application Cascading File System - The entire filesystem of Picombo is cascading. Your application files merge with extension and system files Powerful Routing - Use regular expressions to build advanced routing schemes Lightweight - The tar.gz file is less than 10KB
