* Fix and optimize content type sniffer
- Minimize copying and buffering
- Ensure it sniffs the full 512-bytes prefix
* Fix assorted warnings
* Cleanup error formatting
- Remove unnecessary formatting calls
- Fix invalid format strings
- Standardise logging calls
* Fix and optimize index fallback method
- Pass through non-404 responses correctly
- Do not buffer original response
* Test content sniffing and index fallback
* Update changelog
* Remove obsolete check
* Add safety checks in sniffer
This update adds implementation to several menu item functions, replacing their previous 'not implemented' state. This includes actions for close, reload, forcing reload, toggling of fullscreen, reset zoom, and others. The update also includes modifications for the handling of developer tools toggle under different build configurations. This refactoring is aimed to standardize devtools configuration across different operating systems.
