Support multi-level nested create/update with model full_clean()
#381
| Job | Run time |
|---|---|
| 33s | |
| 2m 36s | |
| 2m 32s | |
| 2m 41s | |
| 2m 37s | |
| 2m 29s | |
| 2m 31s | |
| 2m 48s | |
| 2m 51s | |
| 3m 5s | |
| 3m 5s | |
| 2m 50s | |
| 2m 52s | |
| 2m 48s | |
| 2m 50s | |
| 3m 0s | |
| 3m 6s | |
| 3m 25s | |
| 3m 24s | |
| 52m 3s |