0.0.3 - 20120507
  * Fixed many things blocking opensearch from working
   * There was a bug introduced in 0.0.2
   * The URL can't be relative for Mantano reader, so I added a configuration item.
  * I continued the refactoring to bring HTML to COPS
  * Thumbnails have bigger size (I'll add a configuration item later)
  * Add headers to help caching image and thumbnail to the browser
  * 

0.0.2 - 20120411
  * Add support for MOBI and PDF
  * Major refactoring to prepare something nice for the future ;)
  * Add a config item to make use of X-Sendfile instead of X-Accel-Redirect if needed

0.0.1 - 20120302
  * First public release