Python-wekan

This release adds the following new features:

- [Upgrade MongoDB to 3.2.21](https://github.com/wekan/wekan/commit/0cb3aee803781e4241c38a3e1e700703d063035a);
- [Add source-map-support](https://github.com/wekan/wekan/issues/1889);
- [Allow Announcement to be markdown](https://github.com/wekan/wekan/issues/1892).
Note: xet7 did not yet figure out how to keep announcement on one line
when markdown was added, so now Font Awesome icons are above and below.

and fixes the following bugs:

- [Turn of http/2 in Caddyfile](https://github.com/wekan/wekan/commit/f1ab46d5178b6fb7e9c4e43628eec358026d287a)
so that Firefox Inspect Console does not [show errors about wss](https://github.com/wekan/wekan/issues/934)
websocket config. Chrome web console supports http/2.
Note: If you are already using Caddy and have modified your Caddyfile, you need to edit your Caddyfile manually.
- [Partially fix: Cannot move card from one swimline to the other if moving in the same list](https://github.com/wekan/wekan/issues/1887);
- [Fix: Linking cards from empty board is possible and makes current board not load anymore](https://github.com/wekan/wekan/issues/1885).

Thanks to GitHub users andresmanelli, HLFH and xet7 for their contributions.

This release fixes the following bugs:

- [Fix lint error](https://github.com/wekan/wekan/commit/45c0343f45b4cfc06d83cf357ffb50d6fca2f23b).

Thanks to GitHub user xet7 for contributions.

This release adds the following new features:

- REST API: [Add startAt/dueAt/endAt etc](https://github.com/wekan/wekan/commit/1e0fdf8abc10130ea3c50b13ae97396223ce7fa9).
Docs at https://github.com/wekan/wekan/wiki/REST-API-Cards
- [Fix cards export and add customFields export](https://github.com/wekan/wekan/pull/1886).

Thanks to GitHub users ymeramees and xet7 for their contributions.

This release fixes the following bugs:

- [Fix "No Comments" permission on Wekan and Trello import](https://github.com/wekan/wekan/commit/0a001d505d81961e6bd6715d885fffee0adb702d).

Thanks to GitHub user xet7 for contributions.

This release adds the following new features:

- REST API: [Create board options to be modifiable](https://github.com/wekan/wekan/commit/9cea76e4efaacaebcb2e9f0690dfeb4ef6d62527),
like permissions, public/private board - now private by default,
and board background color.
Docs at https://github.com/wekan/wekan/wiki/REST-API-Boards
- [Add swimlaneId in activity. Create default swimlaneId in API](https://github.com/wekan/wekan/pull/1876).

Thanks to GitHub users andresmanelli and xet7 for their contributions.

This release tries to fix the following bugs:

- [Try to fix Wekan Sandstorm API](https://github.com/wekan/wekan/issues/1279#issuecomment-418440401).

Thanks to GitHub users ocdtrekkie and xet7 for their contributions.