- fix badly thought attempt at upward compatibility. **WHAT IS NOT TESTED DOES NOT WORK!**
21.4
- make `jsonify` work with generators, maps, filters and ranges. - ensure upward compatibility with next `ProxyPatternPool` release. - fix `debug4` request formatting.
21.3
Improve `debug4` request traces with list of param and file names.
21.2
Improve debugging experience with `debug4`.
21.1
- Improve `demo` with an upload example. - Fix display of authentication source in `dev` mode. - Better check parameter types.
21.0
For GAS: - Add `FSA_KEEP_USER_ERRORS` configuration directive to skip handling user errors and let them pass to the WSGI infrastructure instead. - Add convenient messages when missing an optional module. Simplify optional dependencies. - Log internal error traces as errors.
Others: - Extend special parameter functions with a parameter holding the name of the expected parameter. - Add `FileStorage` special parameter to get file uploads. - Add *manual* table of contents to `README.md` and `DOCUMENTATION.md`.