v1.6.0

Tar v1.6.0

Diff since v1.5.0

The major feature of this release is being able to simulate symlinks by copying on file systems that cannot create them.

Closed issues:

• tree_hash giving invalid result (#59)

Merged pull requests:

• use arg_mkdir to handle directory creation (#60) (@StefanKarpinski)
• Fix variable name in git_file_hash() error path (#62) (@staticfloat)
• copy_symlinks: allow extract to simulate symlinks with copies (#63) (@StefanKarpinski)