The APK site is hosted on Google Code, so if you know how to use git, you should be able to pull the source code down using their site:
https://code.google.com/p/perl-android-apk/
Once you do that you can use Eclipse's Import
utility to import the code as an Android project. This should give you the pre-APK version of the code, which you can add as a dependency to your existing project.