Things-cli

* specify dependency to things >= 0.0.15
* specify dependency to argcomplete >= 3.0.0
* update test database

**Full Changelog**: https://github.com/thingsapi/things-cli/compare/v0.2.0...v0.2.1

What's Changed
* update things to 0.0.15, fixes latest things database update
* update argcomplete to 2.0.0, fixes 13 by bkleinen in https://github.com/thingsapi/things-cli/pull/14

New Contributors
* bkleinen made their first contribution in https://github.com/thingsapi/things-cli/pull/14

**Full Changelog**: https://github.com/thingsapi/things-cli/compare/v0.1.4...v0.2.0

* Fixes 10: missing escapechar for csv export

* 5: added command for tasks created today ( thanks to dominik42)

Fixing 'gantt' argument

added support for logtoday