Konch

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

Features:

- Follow XDG standard in config file discovery (:issue:`177`).
Thanks :user:`rpdelaney` for PR and the suggestion.

Other changes:

- Test against Python 3.8 and 3.9.

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

Bug fixes:

- Remove usage of deprecated ``imp`` module.
- Handle ``AttributeError`` when object in context list has no
``__name__`` attribute (:issue:`105`). Thanks :user:`brl0` for
reporting.

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

Bug fixes:

- Prevent error when ptpython config file exists (:issue:`84`).
Thanks :user:`svanburen`.

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

Features:

- Add BPython Curses shell (:pr:`78`). Thanks :user:`goandbuild`
for the suggestion and PR.

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

Bug fixes:

- Fix casing when using `"context_format": "short"`.

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

Features:

- Use a ``[y/N]`` prompt for authorizing a config file instead of
requiring user to run ``konch allow``.