Many things, including:
* More security testing
* Improve caching support for Apache::PAR::Static - create ability to cache on server startup
* Implement RegistryLoader
* Implement a HTML::Template::PAR, others
* Redesign tests to generate par files, move contents to tmp directory if necessary
* Support for author signatures in PAR files
* Support for loading PAR files from network
* PAR's within PAR's (like EAR files for Java)
* Ability to specify UNPACKLIST to list files to unpack
* New features...