Changes from version 0 to 1
===========================

  - fixed an off-by-two error in check.c:check_file
  - fixed marking clusters bad in fat.c:set_fat
  - fat.c:reclaim_free was also reclaiming bad clusters.
  - fixed many incorrect byte sex conversions in check.c and fat.c
  - -t and -w now require -a or -r
  - added option -d to drop files.
  - added option -u to try to "undelete" non-directory files.