Add fast stack for sparse columns, catch incorrect kwarg usage in `…
#40
| Job | Run time |
|---|---|
| 4m 48s | |
| 5m 18s | |
| 4m 43s | |
| 4m 46s | |
| 19m 35s |
stack for sparse columns, catch incorrect kwarg usage in `…
#40
| Job | Run time |
|---|---|
| 4m 48s | |
| 5m 18s | |
| 4m 43s | |
| 4m 46s | |
| 19m 35s |