GDChart: Changelog

Version Message
0.2.0 Rewrite of the extension to allow it to work with PHP 5.1
Changes include the following:
* virtual properties implemented via getter/setter are now real
* all array options can only be set via supplied methods
* properties & methods follow studlyCaps naming conventions
* all constants are now class constants
* fixed a number of potential crashes due to missing input validation
* fixed memory leaks in gdchart library