Pytest integration

setup.cfg

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

setup.py

@@ -9,6 +9,8 @@ setup(
     author_email="ondrej@caletka.cz",
     license="MIT",
     py_modules=["dzonegit"],
+    setup_requires=['pytest-runner', ],
+    tests_require=['pytest', ],
     entry_points={
             "console_scripts": [
                 "dzonegit = dzonegit:main",
@@ -16,4 +18,3 @@ setup(
             ],
     },
 )
-