build - Add support for python setup.py test Fixes #20

Author: phibos

setup.cfg

@@ -0,0 +1,2 @@
+[aliases]
+test=pytest

setup.py

@@ -127,8 +127,10 @@ def get_objects():
     setup_requires=[
         # ToDo: set min version
         "cffi",
+        "pytest-runner",
         "six >= 1.4.1"
     ],
+    tests_require=["pytest"],
     packages=find_packages(exclude=["*.tests", "*.tests.*"]),
     include_package_data=True,
     cmdclass={