1. (WINDOWS) Failure to specify the -i switch now produces a reasonable response (instead of just a disappearing window.)
2. (UNIX) A problem with getting a weird initial default background color on launch has been resolved.
3. AUNLOK.SBR now works properly when no arguments are passed.
4. (SCO) BLOCKS.SBR (and SYSTAT) now show the correct number of blocks free (instead of zero.)
