show proper first/last item with home/end keys, taking visibility into account
[booh] / bin /
drwxr-xr-x   ..
-rwxr-xr-x 4896 album2booh
-rw-r--r-- 223390 booh
-rwxr-xr-x 69038 booh-backend
-rwxr-xr-x 75126 booh-classifier
-rwxr-xr-x 1021 booh-fix-whitebalance
-rwxr-xr-x 1021 booh-gamma-correction
-rwxr-xr-x 4770 webalbum2booh