Fix generation of thin packs that have no parents
tree4e079050bb946f8bdb746a9e176e11d2ee02a03a
-rw-r--r-- 93 .gitignore
-rw-r--r-- 35068 COPYING
-rw-r--r-- 37 MANIFEST.SKIP
-rw-r--r-- 1037 Makefile.PL
-rw-r--r-- 681 README
drwxr-xr-x - lib
drwxr-xr-x - t