v2.2.3
v2.3.0. Improvement.

- v2.3.0 January 27, 2014
	- Now maintained by the DocPad Extras team
v2.3.2
Bumped coffee-script to 1.7.0
Fix shell command example in README
Merge pull request #3 from nsonnad/shell-readme

Fix shell command example in README
add out parameter