Photomosaic Maker v3.2

Version 3.2 Changes

1. Drop dependencies on scikit-learn and scipy
2. Drop ctype option
3. Fix a bug of fair tile with saliency

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Version 3.1 Changes

1. Executable sizes on MacOS and Linux decreased significantly
2. Add CLI options for color blending

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Version 3.0 Changes

This release brings photomosaics with improved quality due to a redesign in algorithms. The codebase is also refactored.

Note that the ubuntu build only supports ubuntu 18.04 and onwards. The binary files may take a while to open.

New features:

1. Color blending
2. Hyperparameter for balancing tile fairness and quality for unfair mode.