Another global search-and-replace update. Here, I've replaced the PHP keyword 'NULL' with its lowercase version. This is another PEAR code standards change. darcs-hash:20081223192129-84dde-4a0182e0ec16a01ad88745ad3e08f7cb501aee0b.gz
Added some of the standard directories darcs-hash:20080506151729-84dde-563da8505e06a7302041c93ab157ced31165876c.gz