March 23th, 2021 (0.7)
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* The argument `--optimize-png` is now supported for command `convert`.

March 12th, 2021 (0.6)
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* New argument `-suffix` to append to the end of the file.

March 10th, 2021 (0.5)
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* New args -quality and -resize for convert.

March 10th, 2021 (0.4)
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* New program named as ImageMagick: convert, wich can easily convert a lot of files into another format.
* New submodule with the structure of programs.
* Process related functions are now inside process.py.

November 5th, 2020
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* Fixed string errors in python3.

January 16th, 2019
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* New method "tint" for tinting images. Use -color.

October 7th, 2017
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* New subprogram png2jpeg.
* Added --keep-extension.
* New conditions for converting only when a picture has no alpha channel: --if-opaque.
* Also converting only if size is exact: -if-size.

Sep 9th, 2017
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* Flag verbose (-v) implemented for printing all converted.
* Flah --keep-mtime to keep the original modification time.