2020-03.16
  -. fixed ethernet printing
  -. fixed applying color profile
  -. added watermark(applying ~/.watermark.bmp or /Library/Printers/IDP/watermark.bmp)
  -. compiled for ubuntu 18.04
  -. compiled for macOS High Sierra

2019-06-28
  -. fixed print direction
  -. fixed YMCKOK back side printing

2019-06-25
  -. Added cp55

2018-08-09
  -. Added black dots only mode
  -. Fixed resin extraction algorithm
  -. Changed color profile

2017-06-02
  -. Started    Smart51

