This replaces -s,--show-missing. This now prints all processed packages
and outputs in the following format:
pkgname repover srcver
if `repover` or `srcver` can't be known, '?' is print.
Will be used in xbps-src soon. Thanks to @duncaen for ideas.
Signed-off-by: Juan RP <xtraeme@gmail.com>
79bffac877