Docassemble

Added
- The `title url` and `title url opens in other window` screen parts.
- A "retry" button on the error screen.
Changed
- Auto-focus on page load will only be given to an element in the first non-`note`,
non-`html` field.
Fixed
- Pressing enter key on the list collect screen clicked a hidden
button.
- Changes in 1.1.11 blocked certain types of uploads.

Fixed
- Fields with an object-based `datatype` did not work when `list
collect` was used.
- Error with exporting tables to Excel.

Added
- Ability to download files by specifying a `filename` parameter to
GET requests to `/api/playground`.
- The `use_word` keyword argument to `ordinal()`.
- The `always include editable files` specifier for omitting the
checkbox in the attachment UI.
- The `nginx ssl protocols` Configuration directive.
Changed
- If `use https` or `behind https load balancer` are enabled, a
`Strict-Transport-Security` header is returned.
- If `allow embedding` is not set to `True`, the `X-Frame-Options` and
`Content-Security-Policy` will block iframes. If `allow embedding`
is set to `True` and `cross site domains` is set, the list of
domains will be used for the `Content-Security-Policy` header.
- More than one `address autocomplete` can now be used on a screen.
Fixed
- Disconnecting from GitHub integration failed if the existing
integration no longer functioned.

Added
- The `mailgun_variables` option for `send_email()`.
- The `docx_concatenate()` function.
Changed
- When more than one file with the same name is added to a ZIP file,
the files are renamed to avoid name collision.

Fixed
- Typo in `Address.on_one_line()`.

Fixed
- Error when `code` is used to generate `fields` and manually entered
fields follow.
- Jinja2 index error converted to attribute error.
- Incorrect focus when first fields have `hide if`.