add configure method, to enable users to own a valid configured instance before calling set_boxed_logger
#184
| Job | Run time |
|---|---|
| 13s | |
| 15s | |
| 12s | |
| 16s | |
| 14s | |
| 36s | |
| 40s | |
| 37s | |
| 57s | |
| 43s | |
| 37s | |
| 37s | |
| 15s | |
| 17s | |
| 0s | |
| 6m 29s |