Greaseweazle Tools 1.19

Release Notes:

• gw read/write/convert: New option --reverse
  • Reverses track data (eg side B of a flippy disk)
• Windows 7/8: Fix device detection, broken since v1.18
• IPF: Auto-detect write splice when not reported in image
• New diskdefs: Epson QX-10, apple2.nofs.140
• gw info, update: Better error report when GitHub rate limited
• NFD: Initial import-only support for T98-Next floppy image files