Release 2.2.17

Summary of changes

• 5c9c1fd 📝 notes about homebrew errors
• 9d4f0a8 🐛 homebrew: fail less
• f961784 ✅ more homebrew
• c58c23d ✨ handle {@code } tags
• d0eb558 🎨 repair formatting if item types and properties
• 52f4de7 🐛 Support spell school as well as encoding
• 3522b08 🐛 catch reference cycles
• 0c3624d 🐛🔈 More error messages; fewer thrown exceptions
• fe26df2 📝 Config docs: revise full-source and homebrew
• d84f258 🐛 Fix item type rendering
• 3e8d6b2 🐛 fail gracefully: bad progression tables; bad tags
• 53b17c0 🎨 ✨ Config: full-source.homebrew; cleanup