Update GHANGELOG.md

Author: rstaib

GHANGELOG.md

@@ -4,3 +4,6 @@
 
 - On finish failed the last step button does not become highlighted as error. Closes issue [#3](https://github.com/rstaib/jquery-steps/issues/3)
 - Advanced accessibility support (WAI-ARIA)
+- Replace Number() by parseInt() for parsing `string` to `int` values
+- Add `"use strict";` and some other recommended things like the leading `;`
+- Substitute `ol` by `ul` tag for step navigation