tcz: put in more error checking, and try to fix the paths for the local copies.
tcz: put in more error checking, and try to fix the paths for the local copies.

Much to be done, still. It actually works, e.g.
sudo tzc strace
sudo tcz bash

will work. On tinycore, it's clumsy because paths are cleaned, you have to
tcz
sudo tcz bash

We need to get better rules for using tcz.

Signed-off-by: Ronald G. Minnich <f569d0af9a3481c4007b95c7180d6c41009f2513@gmail.com>

u-root/u-root,hugelgupf/u-root,rminnich/u-root,hugelgupf/u-root,hugelgupf/u-root,GanShun/u-root,GanShun/u-root,hugelgupf/u-root,u-root/u-root,GanShun/u-root,rminnich/u-root,rminnich/u-root,u-root/u-root,rminnich/u-root