Fix
* fix(lazy.py): fix shape of lazy volume ([`34b944f`](https://github.com/MedVisBonn/eyepy/commit/34b944fa02538be753352e32d4e2b046cd940b81))
* fix(eyevolume.py): enable import of B-scans with varying distances by replacing the raised Error by a warning; support deleteion of annotations ([`d8b4bb8`](https://github.com/MedVisBonn/eyepy/commit/d8b4bb870aa6a29439db0b46372610d2685b3995))
Test
* test(test_grid.py): add tests for ETDRS grid creation ([`c9c13d1`](https://github.com/MedVisBonn/eyepy/commit/c9c13d16e8ecbcc616bc6f215008812a7f37dd47))