add an option for defining a directory in which to place all your checkpoints. if...
-rw-r--r-- 1952 AUTHORS
-rw-r--r-- 1504 LICENSE
-rw-r--r-- 1627 README
-rw-r--r-- 1654 RELEASE_NOTES
-rw-r--r-- 21770 SConstruct
drwxr-xr-x - build_opts
drwxr-xr-x - configs
drwxr-xr-x - ext
drwxr-xr-x - src
drwxr-xr-x - tests
drwxr-xr-x - util