Docassemble

Fixed
- Python 2.7 bug introduced in 0.5.47.

Added
- The `external` keyword parameter for the `.url_for()` method.
Changed
- Access to files is now granted to users across sessions, whether the
session was active in the browser's session or not. Previously,
access was restricted based on sessions that had been active in the
browser's session.
- The `.url_for()` method when used with `temporary=True` now implies
`external=True`, which means that the URL returned includes the
protocol and hostname. Use `external=False` to preserve the old
behavior.
- A superscripted question mark icon is now shown in the green text
when `help` is added to a field.
- When committing to GitHub from the Playground Packages screen, you
can choose to also publish on PyPI and install the package on the
server.
- When publishing to PyPI from the Playground Packages screen, you can
choose to also install the package on the server.

Added
- The `prevent_dependency_satisfaction` decorator.
- The `interview delete days by filename` Configuration directive.
- The `review button color` and `review button icon` options under
`features`.
- The `sleep` option for `response()` and `command()`.
Fixed
- Cron job inefficiencies.
- JavaScript error when using `check in` and `list collect` at the
same time.
- Error when `admin` user signs in with a social login.
- An `input type: ajax` in `list collect` did not allow adding
additional items.
- Ampersands in Jinja2 code were converted to `&`.

Fixed
- Possible race condition in `interview_list()`.

Added
- The `backup` directive under `db`.
Fixed
- Problem converting some types of interview answers to JSON.

Fixed
- Cron job was overtaxing the SQL server.
- `does_verb()` used the wrong tense.