But a few minor betterings

• Add debugging info for mysterious Rust settings problem
• Update Rust dependencies
• Some performance improvements
• Add support for gigantic AAMP diffs
• Fix multiprocessing for 64+ threads/cores (close #314)

Even if a single man had all the beauty, riches, honors, knowledge, virtues, and perfections possessed by all men, he would still seek and thirst for something more. Even in this life, then, our nature demands a more divine perfection.
― Richard Hooker