Add sane-ref and sane-unref to make libsane usable reference counted instead
treecdcb7a780a4e898099f08c99742b012a2a33ef33
-rw-r--r-- 6 .gitignore
drwxr-xr-x - example
-rw-r--r-- 651 package.lisp
-rw-r--r-- 1387 sane.asd
drwxr-xr-x - src
drwxr-xr-x - swig