README.md in epubinfo-0.3.6 vs README.md in epubinfo-0.4.0

@@ -11,9 +11,13 @@
 
 Which returns a `EPUBInfo::Models::Book` instance, please refer to the [API documentation](http://rubydoc.info/gems/epubinfo/frames) from here on
 
 ## Changelog
 
+**0.4.0** *July 31, 2012*
+
+* Added Book#cover method for extracting covers from epubs
+
 **0.3.6** *June 18, 2012*
 
 * Upgraded rubyzip dependency to version 0.9.9 for more robust zip handling
 
 **0.3.5** *June 17, 2012*