Fix #48: Ensure labels don't have characters which are invalid in filenames
tree6f1a1f15b51218d68d75f29464f93f065bd2e9e8
-rw-r--r-- 1047 Build.PL
drwxr-xr-x - contrib
drwxr-xr-x - legacy
drwxr-xr-x - script
drwxr-xr-x - ssphys