v.2.1.15

Improvements:

Bugs fixed:

1. Fixed bucket creation with long name (see ../_static/api.html#operation/createBucket)

2. Fixed bucket getting from local storage when there are unexpected files in local storage (see ../_static/api.html#operation/getBuckets)

How to update from previous version:

To update from previous version simply replace folders luna_image_store, tests, docs, deploy and update dependencies from requirements.txt.