Adds message to stack trace of GraphQLError. (#718)
Adds message to stack trace of GraphQLError. (#718)

* Adds message to stack trace of GraphQLError.

* Fix typo in comment

* Trailing spaces

baer/graphql-js,gabelevi/graphql-js,enaqx/graphql-js,graphql/graphql-js,graphql/graphql-js,tgriesser/graphql-js,tgriesser/graphql-js,graphql/graphql-js,baer/graphql-js,enaqx/graphql-js,enaqx/graphql-js,jjergus/graphql-js,gabelevi/graphql-js,jjergus/graphql-js