README.md in piet-0.2.1 vs README.md in piet-0.2.2

@@ -180,15 +180,18 @@
 Thanks to [@rogercampos](http://github.com/rogercampos) for providing the awesome **png_quantizator** gem, which you can find [here](https://github.com/rogercampos/png_quantizator).
 
 TODO
 ----
 
+* Add SVG optimization
+* Leave testing files out of the bundled gem
 * Binary tool for optimizing a file
 * Add some testing!
 
 Changelog
 ---------
 
+* v.0.2.2 Lighter gem weight (to be improved in the future).
 * v.0.2.1 More reliable file type detection, by not using the extension but the MIME type. Thanks to @jewlofthelotus! Also, the Carrierwave
 extension is now compatible with RMagick thanks to @YoranBrondsema.
 * v.0.2.0 Users of the gem can now use piet-binary gem, and bug with filenames containing spaces, parentheses and some other characters is solved too, thanks to @loureirorg. Requiring png_quantizator when it's due, thanks to @jayzes. Finally, specifying the gem version due to @jigfox interest.
 * v.0.1.3 Use png_quantizator gem instead of the own implementation.
 * v.0.1.2 Fixed some problems with missing processing, thanks to @lentg.