xmindep: rename from mindep, simply a lot using xbps 0.38
add xoptdiff
xnuxnu: PKG argument
add xbulk
mv gensum xgensum
update README
add xdistdir
xbump: use xdistdir, detect new packages, add subpackages
xgensum: use xdistdir
xlg: use xdistdir, show mail addresses too
xlog: use xdistdir
xq: strip colors, small refactor
xsrc: use xdistdir
small whitespace tweaks
add xnew