v1.8

How to use:

• Download and install djvulibre (DjVuLibre-3.5.27 with DjView-4.11 for old windows versions)
• Download depress_x86_2019.7z or depress_x64_2019.7z (for windows xp - depress_x86_2015_xp_nosse.7z or depress_x64_2015_xp.7z) and unpack into djvulibre folder (c:\Program Files (x86)\DjVuLibre)

Changes:

• Add bw/color image autodetection (-auto flag). Useful when saving scans in jpeg.
• Windows: Able to detect djvulibre folder (still not working on 32-bit arm). No need to copy depress to djvulibre folder anymore.
• Windows: Correctly using of more than 64 threads.