[query] Adding support to empty map or keyword fields in `Query.Builder.where/2`#32

Open

gullitmiranda wants to merge 3 commits intomneudert:masterfrom

gullitmiranda:feature/empty_where

Commits on Dec 28, 2016

[connection] Fixing `Connection.Config.runtime/3` get first key instead of last;
gullitmiranda
committed
[connection] Adding support to env configurations to tests
gullitmiranda
committed
[query] Adding support to empty map or keyword fields in `Query.Builder.where/2`
gullitmiranda
committed