Implement 'update' and 'signoff'.
treefaf132631d5fd50dd042768a4f9c4fe7c1fa5fa2
-rw-r--r-- 24 .gitignore
-rw-r--r-- 188 Makefile
-rwxr-xr-x 13790 asure.py
-rw-r--r-- 889 hashing.py
-rw-r--r-- 1321 t_scan.py