error-util - Reverse dependency statistics

error-util: reverse dependencies per version

Direct reverse dependencies	Indirect reverse dependencies	Total
2	0	2

Version	Reverse dependencies
0.0.1.1	acme-everything-2017.7.10 acme-everything-2018.11.18 parquet-hs-0.1.0.0
0.0.1.2	acme-everything-2017.7.10 acme-everything-2018.11.18 parquet-hs-0.1.0.0