Separating Config Directory from Application?

[eluser]JasonS[/eluser]
[quote author="pickupman" date="1284408049"][quote author="JasonS" date="1284406149"]Common.php is a collection of functions. Does this mean I would need to edit the core to achieve this?[/quote]

No, do not edit core files. Refer to the user guide for extending a class. See section [url="http://ellislab.com/codeigniter/user-guide/general/creating_libraries.html"]Extending Native Libraries[/url]. You only need to recreate the methods you need to modify. That's one of the strong features of CI.[/quote]

Perhaps you misread my previous post.

[quote author="JasonS" date="1284406149"]Common.php is a collection of functions. Does this mean I would need to edit the core to achieve this?[/quote]

It isn't a class, it is a collection of functions and as such if you redefine an existing method you will get errors.