img2djvu 20191007:
 README and TODO updated;
 tifftopnm commit accepted, now speed increased by about 25%, thanks to mhs54321

img2djvu 20151127: Now minidjvu coder part removes temporary pnm files
 right after encoding and therefore saves much more space

img2djvu 20151125:
 Pull requests' improvements: name of temp dir is 'pagesXXXXXX' now;
 djvu created in the temp folder;
 possible trailing slash removed from the folder name 

img2djvu 1.14
 Bug fixes: codjvu function did no work with names contain spaces;
 mini function not exits if name of temp dir contains spaces (thanks to Kyrill Detinov)

img2djvu 1.13
 Option -V for version, minor optimizations (thanks to Kyrill Detinov)

img2djvu 1.12
 Bug fixes: quotes with minidjvu and illegal options (thanks to Kyrill Detinov)

img2djvu 1.11:
 Version number in default output;
 option for number of OCR jobs (thanks to Kyrill Detinov)

img2djvu 1.10:
 Bug fixes: bugs introduced in previous version :)

img2djvu 1.9:
 Bug fix: filenames with spaces (thanks to Kyrill Detinov)

img2djvu 1.8:
 Bug fix: /tmp was not default (thanks to Kyrill Detinov)

img2djvu 1.7:
 Choice of temporary folder (thanks to Kyrill Detinov)

img2djvu 1.6:
 Does not use double extensions (thanks to Kyrill Detinov)

img2djvu 1.5:
 Subfolders are ingnored, additional check for absolute paths which are not allowed

img2djvu 1.4:
 OCR for all pages via ocrodjvu, language AND engine could be specified (new option -e)

img2djvu 1.3:
 Added DPI for c44 coder amd makedjvu (inside codjvu function)

img2djvu 1.2:
 Removed useless Group4 conversion option (thanks to anagnost96);
 added verbosity option specific for minidjvu

img2djvu 1.1:
 Removed call to composite -- speed increased by 20%, thanks to U235;
 added some output (number of files and skipped files)

img2djvu 1.0:
 Background color layer now downsampled;
 if DjVuLibre version > 3.5.32, uses FGbz chunk instead of FG44;
 image processing is now controlled with -p option;
 OCR via ocrodjvu/hocr2djvused + cuneiform is possible

img2djvu 0.9d:
 Two bugs fixed: (1) lost path after minidjvu processing;
 and (2) pgcount should decrease before breaking cycle if convert did not work

img2djvu 0.9c:
 minidjvu --agression 200 for -a 2;
 ignoring non-graphic files

img2djvu 0.9b:
 Functions cleanup

img2djvu 0.9a:
 Checks for existence of folder and subfolders added;
 better README

img2djvu 0.9:
 Checks for ImageMagick;
 Djvu Libre and minidjvu (with -m option) added
