* Install graphql-relay
* Add relayNodeInterface to ParseGraphQLSchema
* Add support to global id
* Add support to global id in other operations
* Fix sort by glboal id
* Fix where by global id
* Introduce IdWhereInput
* Add Relay object identification tests
* Client mutation id on createFile mutation
* Client mutation id on callCloudCode mutation
* Client mutation id on signUp mutation
* Client mutation id on logIn mutation
* Client mutation id on logOut mutation
* Client mutation id on createClass mutation
* Client mutation id on updateClass mutation
* Client mutation id on deleteClass mutation
* Client mutation id on create object mutation
* Improve Viewer type
* Client mutation id on update object mutation
* Client mutation id on delete object mutation
* Introducing connections
* Fix tests
* Add pagination test
* Fix file location
* Fix postgres tests
* Add comments
* Tests to calculateSkipAndLimit