catch incomplete trailing header in tolerant recovery
[python-delta-tar] / deltatar /
drwxr-xr-x   ..
-rw-r--r-- 2 __init__.py
-rwxr-xr-x 66970 crypto.py
-rw-r--r-- 74100 deltatar.py
-rw-r--r-- 122932 tarfile.py