Add support for tox

.gitignore

@@ -22,4 +22,7 @@ coverage.xml
 nosetests.xml
 junit-py25.xml
 junit-py26.xml
-junit-py27.xml
+junit-py27.xml
+
+# tox noise
+.tox

setup.py

@@ -49,6 +49,9 @@ setup(
         'tablib', 'tablib.formats',
         'tablib.packages',
         'tablib.packages.xlwt',
+        'tablib.packages.xlrd',
+        'tablib.packages.omnijson',
+        'tablib.packages.odf',
         'tablib.packages.openpyxl',
         'tablib.packages.openpyxl.shared',
         'tablib.packages.openpyxl.reader',

tox.ini

@@ -0,0 +1,15 @@
+# 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, pypy
+
+[testenv]
+commands = python setup.py test
+deps =
+    pytest
+    PyYAML
+    xlrd
+    omnijson