v8.0.3

• 🎨 style(_convert_to_smaller_slow): Remove unused import. f4176b1
• 🚀 perf(_convert_to_smaller_slow): Swap instead of copying. 747df04
• 🚀 perf(_convert_to_smaller_slow): Remove useless reset. 8f74f98
• 🚀 perf(convert): Make _convert_to_smaller_slow 2x faster. 2a30bf1
• 📚 docs(source): Comment on asymptotic complexity of conversion methods. 6e1b98a
• 📚 docs(README): Use coveralls coverage badge. 48b4cd9
• 🚀 perf(convert): Make large to small 3x faster. 07e80af
• ♻️ refactor: Rename really slow convert method. 3334bf6
• 🚀 perf(convert): Better conversion to larger. cee66ed
• 🚀 perf: Better threshold for divide-and-conquer division. 5c5fe48
• 🚀 perf: Change TOOM22 threshold to 16. 8da02d7

v8.0.2...v8.0.3