Added tox.ini

Author: mieciu

README.md

@@ -108,9 +108,11 @@ Tests
 
 **Run unit-tests:**
 
-    $ py.test
+In order to run full test suite, simply execute:
 
-**NOTE**: Requires `py.test`, install by `pip install pytest`
+    $ tox
+
+**NOTE**: Requires `tox` ( please install with `pip install tox` ) and several supported versions of Python.
 
 
 **Run integration tests:**

tests/README.md

@@ -1,7 +1,8 @@
 Unit tests
 ==========
 
-Run from top-level directory with:
+From top-level directory run:
 
-  py.test
+    $ tox
 
+**NOTE**: This requires `tox` ( please install with `pip install tox` ) and several supported versions of Python.

tox.ini

@@ -0,0 +1,18 @@
+[tox]
+envlist = flake8,py27,py34,py35
+
+[testenv]
+deps = pytest 
+commands = py.test
+
+[testenv:flake8]
+deps = flake8
+commands = flake8
+
+[pytest]
+testpaths = tests
+
+[flake8]
+exclude = venv,env,.env,.tox,.toxenv,.git,build,docs
+max-line-length = 119
+accept-encodings = utf-8