* display API errors, e.g. Object { code: 400, message: "Integer number expected for parameter 'limit'" }
* cache `update_data_date` result somehow?
* add tests with fixtures
-* add linter (https://github.com/sveltejs/eslint-plugin-svelte3) and .travis-ci.yml again
+* add .travis-ci.yml again
## Code cleanup
-* fix all a11y warnings during `yarn build`
* move all bootstrap CSS overwrite rules into a bootstrap.theme.css file
* move TODO list into github issues
* aResults vs aPlace vs aFeature variable naming