0.12.0

What's Changed

• Remove else by @OskarStark in #180
• Adjust test by @OskarStark in #181
• docs: add section about $options argument by @chr-hertel in #183
• refactor: toolbox error handling by @chr-hertel in #185
• feat: empower input processor to change LLM and MessageBag by @chr-hertel in #184
• feat: add system prompt processor by @chr-hertel in #186

Full Changelog: 0.11.1...0.12.0