[proto] dotty progress bar for dl/unpack
[proto] dotty progress bar for dl/unpack

All the line counts are hardcoded as they appear on my box. Nicer solutions
probably exist, but this is a prototype, so wth.

masak/proto,perl6/modules.perl6.org,perl6/modules.perl6.org,perl6/modules.perl6.org,perl6/modules.perl6.org,masak/proto,masak/proto