Initial commit, based on Martin Vaeth's archive wrapper scripts
Fix tbzd selection, zipd, uv -v for zip and rar
Really remove old zipfile before creating new
Support okular. Improve Quoting and directory stripping.
pd: Fix file deletion and compression of xz, lrz.
Simplify quoting. Fix u with 7za
Fix u *.gz and cosmetical issues
Use push.sh. Use external commands if sh=busybox. Improve cd/mkdir usage.
Speed up -z/-n tests
Fix typo which had broken pd, ppd
u: Fix preserve default
Fix shebangs