New in this version: HAM conversion improvements, additional supported input formats, fixed image reload, bug fixes.

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Changelog:

• HAM modes: additional CIELAB color distance based on CIE76, but instead of Euclidean measure a hybrid approach where a taxicab distance is used between the lightness and the chroma plane. It is listed as hybrid taxicab (name subject to change).
• HAM modes: optionally permit starting line with modify operation (modifies border color instead of previous pixel) for better quality.
• Fixed input image not being reloaded from disk after first conversion.
• Additional supported input formats: bmp, tiff, jpeg2000.
• Various minor bug fixes.