Fixed a number of flake8 errors -- particularly around unused imports and local variables
Fixed this syntax error on py32
Fixed regression introduced by a962286, changed ugettext to ugettext_lazy.
Moved two WSGI-specific functions to the WSGI handler.

They were defined in base when the mod_python handler used them. See bfcecbff.
Refactored the unmangling of the WSGI environ.
Minor cleanup in the WSGI handler.
Fixed #20557 -- Properly decoded non-ASCII cookies on Python 3.

Thanks mitsuhiko for the report.

Non-ASCII values are supported. Non-ASCII keys still aren't, because the
current parser mangles them. That's another bug.
Fixed tests introduced in previous commit on Python 2. Refs #20557.
Add `response_delete` and `render_delete_form` methods to `ModelAdmin`

This make it easier to control the delete flow.
Add docs for `response_add`, `response_change` and `response_delete`
RunSQL migration operation and alpha SeparateDatabaseAndState op'n.
Fixed 16992 -- Added InnoDB warning regarding reuse of AUTO_INCREMENT values.

Thanks kent at nsc.liu.se for the report.
Fixed an encoding issue in the test client.

Fixed
comment_tests.tests.test_comment_view.CommentViewTests.testCommentPostRedirectWithInvalidIntegerPK.

Refs #20530.
Oops :(
Improved docs for `contrib.admin.options.ModelAdmin.response_*`

Added links to code references in the docs for `response_add`,
`response_change` and `response_delete`.
Merge pull request #1592 from pablomouzo/fix-admin-view-response-methods-docs

Improved docs for `contrib.admin.options.ModelAdmin.response_*`
Fixed #20530 -- Properly decoded non-ASCII query strings on Python 3.

Thanks mitsuhiko for the report.

This commit just adds a test since the problem was fixed in 8aaca651.
Fixed #20938 -- Added cached sessions note to deployment checklist.

Thanks mjtamlyn for the suggestion.
Fixed #20836 -- Ensure that the ForeignKey's to_field attribute is properly considered by the admin's interface when creating related objects.
Many thanks to Collin Anderson for the report and patch and to Peter Sheats for the test.
Fixed #20876 -- Changed Poll model name in tutorial to Question