New Cairo Symbols in 1.8 and 1.6

I've been working on a new Cairo extension for PHP (5.2+ only, OOP and functional) that was started for the gsoc

Code Coverage For PHP Windows Extensions

How to get code coverage for PHP on Windows:

Treeviews and Cell Renderer Properties - Practical PHP-GTK

I get this question a lot - "How do I change the background color of a single cell in a treeview?"