Fixed tests.

Author: syrusakbary

.travis.yml

@@ -8,7 +8,7 @@ python:
 - pypy
 install:
 - pip install pytest pytest-cov coveralls flake8
-- pip install git+https://github.com/dittos/graphql-py.git # Last version of graphql-py
+- pip install graphql-core==0.1a0
 - python setup.py develop
 script:
 - py.test --cov=graphql_relay

README.rst

@@ -35,14 +35,14 @@ overview describes a simple set of examples that exist as
 this repository is to walk through that documentation and the
 corresponding tests in this library together.
 
-Using Relay Library for GraphQL Python (graphqllib)
+Using Relay Library for GraphQL Python (graphql-core)
 ---------------------------------------------------
 
 Install Relay Library for GraphQL Python
 
 .. code:: sh
 
-    pip install git+https://github.com/graphql-python/graphql-core.git # Last version of graphqllib
+    pip install graphql-core --pre # Last version of graphql-core
     pip install graphql-relay
 
 When building a schema for