Photomosaic Maker v3.1

Version 3.1 Changes

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

---

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.