Poorwsgi

* Reserved Request.db attribute for usage
* Right HTTPException type annotation
* Fix ETag header
* FieldStorage and FieldStorageParser implementation based on legacy
cgi.FieldStorage (22)
- that means Python 3.13 support (36)
* Stop Python 3.8 support - some mypy annotation didn't work
* Field refactoring - ! possible break change ! - sorry for that
- FieldStorageInterface - getvalue, getfist, getlist methods
- new func converter name, and no default converter
- all default values are not convert now
* Some old classes, functions, attributes and parameters are notified
as deprecated, and will be deleted in next major version.
* Automatic JSONResponse from dict or list, just like from text.
* Debug info, documentation and Error improvements.
* Automatic NoContentResponse from None (28)

* HTTPException has status_code property
* Implicit value for not set cookie is None or empty dict for OpenAPI
* Fix Content-Length header when partial Response

* Fix OpenAPI Core wrappers

* Running on MS Windows fix
* UTF-8 HTTP Digest username support
* JSONResponse support all response type now (data argument)
* EmptyResponse replaced by NoContentResponse
* new NotModifiedResponse
* time_to_http, datetime_to_http, http_to_datetime and http_to_time header
functions for manipulating Date type headers
* FileResponse generates Last-Modified header now
* Response and FileObjResponse can be partial
* JSONResponse Encoder arguments
* Generator responses can be partial
* Special PartialResponse class
* Fix set_profile method
* Fix logging messages

* fix file callback on files smaller than 1000B
* add FileObjResponse class
* add BaseResponse class
* unicode support in url path
* call file_callback only for files entries (with filename)
* fix openapi wrapper mime type
* Session use JSON for secority issue
* Bad JSON request generate HTTP Bad Request response
* All error handlers has error named argument
* new examples
* large_file.py - own file_callback for uploading large data
* websocket.py - websocket simple chat example
* new TextResponse class
* CachedInput for faster upload
* Default Output data buffer is 65365 now
* rename before_request to before_response
* rename after_request to after_response
* new start_time and end_time Request properties
* new metrics example
* input chunked encoding support
* parse_json_request need bytes on input
* add stalled file download timeout

* new render_negotiation function
* Headers improvement
* error handlers support
* permanent attribute for redirect and RedirectResponse is deprecated now,
but status_code can be used
* host port returns port from HOST or scheme
* openapi wrapper binds request to Host or Forwarded header
* new PoorSession interface
* use secret_key instead of Request object in __init__ method
* use load method for loading cookie
* handler_from_before is called only once
* fix FileResponse Content-Length header