v1.7

• Updated libjpeg to 9f.
• Updated libjasper to 4.2.4.
• Fixed a crash when running out of memory during loading/display.
• Fixed version number when running DosView.
• Added key to display help overlay in view mode.
• Patched 3rdparty\allegro-4.2.2-xc-master\src\bmp.c to support all BMP formats mentioned in https://en.wikipedia.org/wiki/BMP_file_format#Bitmap_file_header (backport from allegro5).
• Fixed DE LSM for FreeDOS.