Unit tested and fixed API "upload image via url" feature.
Unit tested and fixed API "upload image via url" feature.
Merge branch 'story_79283616-api_upload_url' of github.com:pellaea/mushroom-observer into story_79283616-api_upload_url
Merge pull request #10 from pellaea/story_79283616-api_upload_url

Unit tested and fixed API "upload image via url" feature.