mootools/mootools-more — pull request #1255 by SergioCrisostomo (2014-05-01 10:21:47+00:00)
Title: fixes #230, this.previous returns wrong index

Accordion's `this.previous` is returning wrong values.
Example (wrong behaviour): http://jsfiddle.net/BgGCN/1/

`this.previous` is returning the current open, instead of last opened.

New version (correct behaviour): http://jsfiddle.net/BgGCN/

fixes #230