Specifically updating recursive deletion/copy handling to ignore symlink
directories. This is so symlinks remain so that content is stored in the
actual desired symlinked locations upon restore, rather than new
non-sym-link equivilents (Which could loose data in scenarios like
within docker containers where data is symlinked to volume locations).
Tested on a dev linuxserver docker environment, which specific checking
of file handling before/after restore of backup.