introduce MAX_REDIRECTS config setting and fix urllib3 redirect handling
#849
| Job | Run time |
|---|---|
| 2m 6s | |
| 2m 53s | |
| 2m 0s | |
| 2m 52s | |
| 2m 26s | |
| 2m 10s | |
| 1m 58s | |
| 2m 36s | |
| 2m 53s | |
| 2m 26s | |
| 2m 6s | |
| 2m 12s | |
| 28m 38s |