This post is very old. Please bear in mind that information here might be incorrect or obsolete, and links can be broken. If something seems wrong, please feel free to comment or contact me and I'll update the post.
Seems the package handling is more complicated than I supposed to, but, I’ve got a working version. It’s gotta be reviewed first before I’ll post more details, anyway, this is a major step forward (I’ve implemented ten different Package systems previously until I got it hopefully right). Stay tuned 
Related posts: