Prepare patch release

Author: Cito

setup.py

@@ -4,7 +4,7 @@
 
 setup(
     name="graphql-server-core",
-    version="1.1.2",
+    version="1.1.3",
     description="GraphQL Server tools for powering your server",
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
@@ -25,6 +25,7 @@
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: Implementation :: PyPy",
         "License :: OSI Approved :: MIT License",
     ],

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = black,flake8,mypy,py37,py36,py35,py34,py33,py27,pypy3,pypy
+envlist = black,flake8,mypy,py38,py37,py36,py35,py34,py33,py27,pypy3,pypy
 skipsdist = true
 
 [testenv]