Multiple Directory Input

[johnpatek]

hyperpack currently has the following CLI usage pattern:

hyperpack -o <archive path> <directory>

This should be modified to allow users to specify multiple directories. The resulting pattern would be:

hyperpack -o <archive path> <directory0> [<directory1> ... <directoryN>]

Semantically, it would be best to keep things simple, which means process directories in the order they are specified. So in the case that we have dir_x/index.html and dir_y/index.html, for the path /index.html, the index.html from dir_y will overwrite the one from dir_x.