Enhance/Refactor the package as follows:
- Introduce AOP [www.phpaspect.org] to improve the modularity of the code base.
- Implement the concept of an exception list for avoiding the processing of files' imports, which
can change independently from the code base at any time.
- Drop the (optional) dependency on the PEAR package PHP_Archive in favour of the PHP
- Update the (optional) dependency to comply with the newest PHP extension bcompiler version.
- Upgrade the/Add further unit tests to run with PHPUnit 3.1.0 [www.phpunit.de].
- Improve the documentation/manual.
- Further goals t.b.a.