outer bracket already closes, we can just do nothing in the previously-disconnecting bracket
Merge pull request #7 from anchor/dont-disconnect

Use ZMQ close rather than disconnect due to EINVAL errors (#6)
fix warnings
Merge branch 'master' of https://github.com/anchor/vaultaire-query
Merge branch 'master' of github.com:anchor/vaultaire-query into event-metrics

Conflicts:
	lib/Vaultaire/Query.hs