The latest master branch (on github) has now been switched to use Maven and slf4j. This will become version 1.0 in the next week or two.
Version 1.0b8 is now available for download, and contains important bugfixes - all users recommended to evaluate and upgrade.
Finally got around to releasing a new version containing a fix for the NPE in the delete() method.
Anyone using this library should upgrade now.
Version 1.0b2 released today.
Version 1.0b1 released today.