Added tox for testing multiple Python versions locally. Updating README shortly.

Author: thinkingserious

.gitignore

@@ -10,4 +10,6 @@ sdist
 *.pyc
 venv/
 .idea
-.env
+.env
+.python-version
+.tox/

tox.ini

@@ -0,0 +1,26 @@
+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py26, py27, py32
+
+[testenv]
+commands = {envbindir}/python -m unittest discover []
+deps =
+
+[testenv:py26]
+commands = {envbindir}/unit2 discover []
+deps = unittest2
+basepython = python2.6
+
+[testenv:py27]
+commands = {envbindir}/python -m unittest discover []
+deps = 
+basepython = python2.7
+
+[testenv:py32]
+commands = {envbindir}/python -m unittest discover []
+deps = 
+basepython = python3.2