Add tests for anonymous queries w|w/o variables#139

Merged

jml merged 6 commits intohaskell-graphql:masterfrom sunwukonga:tests/add-anonymousquery-test

Jan 16, 2018

+153-52

Commits on Dec 20, 2017

Fix error when single query is anonymous.
sunwukonga
committed

Commits on Dec 23, 2017

Cut commented out code. Comment monoid instance.
sunwukonga
committed