Guillotina

--------------------

- Implemented 'ErrorsMiddleware' that catches all undhandled errors
[masipcat]

- Small changes to the middleware logic
[masipcat]

- Added `IIDChecker` adapter
[vangheem]

- Schema fields default value for `required` is now `False`
[vangheem]

- Denormalized group info when user is added to a group throught users endpoint (issue 806)
[jordic]

- Add `Range` header support
[vangheem]

- Be able to disable supporting range headers in `IFileManager.download`
[vangheem]

- Fix validating None values in required fields
[vangheem]

- Add localroles to available-roles
[jordic]

- Add `no-install-recommends` to Dockerfile (apt options)
[svx]

--------------------

- Improving ValidationErrors messages
[masipcat]

- Fix error with requeued async queue tasks

- Added `valid_id_characters` app setting
[vangheem]

- Better CancelledError handling in resolving a request
[vangheem]

- Fix duplicate behaviors interfaces in get_all_behavior_interfaces()
[qiwn]

- Fix adding duplicate behaviors
[qiwn]

--------------------

- Improved server command and added 'server_settings'
[masipcat]

- Added property 'status' to Response
[masipcat]

--------------------

- Adapt to HTTP1.1 protocol on uvicorn by default
[bloodbare]

- PatchField: added operation "multi"
[masipcat]

- duplicate: added option to reset acl

- Make pytest.mark.app_settings work in older pytest versions too [lferran]

- move: destination id conflict should return 409 error, not 412
[inaki]

- Explicit loop to execute on tests
[bloodbare]

- Fix IAbsoluteUrl() returns request query
[masipcat]

- Added attribute cookies to class Request()
[masipcat]

- Added uvicorn as a guillotina requirement
[masipcat]

- Added endpoint available-roles on container
[jordic]

- Add configurable expiration for jwt.tokens
[jordic]

--------------------

- Move tags to a context property to make it indexable on json
[bloodbare]

- Added async property `Request.body_exists`
[masipcat]

- Fixed fixture 'guillotina'
[masipcat]

- Make sure that guillotina uses uvloop on starting if its installed
[bloodbare]

- Make sure uvicorn uses the same loop as guillotina startup
[bloodbare]

- Fix tests in 'test_cache_txn.py' and 'test_setup.py' being skipped
[masipcat]

- Replaced aiohttp with ASGI (running with uvicorn by default)
[dmanchon,masipcat,vangheem]