Add 3.4 to tox

tox.ini

@@ -1,6 +1,6 @@
 [tox]
-envlist = py26,py27,py32,py33,numpy26,numpy27,numpy32,numpy33,
-          py26u,py27u,py32u,py33u,numpy26u,numpy27u,numpy32u,numpy33u
+envlist = py26, py27, py32, py33, py34, numpy26, numpy27, numpy32, numpy33, numpy34,
+          py26u,py27u,py32u,py33u,py34u,numpy26u,numpy27u,numpy32u,numpy33u,numpy34u
 
 [testenv]
 deps = coverage
@@ -11,10 +11,12 @@ setenv=
 
 
 [testenv:py26]
+basepython=python2.6
 deps = unittest2
        coverage
 
 [testenv:numpy26]
+basepython=python2.6
 deps = numpy
        unittest2
        coverage
@@ -34,25 +36,39 @@ basepython=python3.3
 deps = numpy
        coverage
 
+[testenv:numpy34]
+basepython=python3.4
+deps = numpy
+       coverage
 
 [testenv:py26u]
+basepython=python2.6
 deps = unittest2
        uncertainties
        coverage
 
 [testenv:py27u]
+basepython=python2.7
 deps = uncertainties
        coverage
 
 [testenv:py32u]
+basepython=python3.2
 deps = uncertainties
        coverage
 
 [testenv:py33u]
+basepython=python3.3
+deps = uncertainties
+       coverage
+
+[testenv:py34u]
+basepython=python3.4
 deps = uncertainties
        coverage
 
 [testenv:numpy26u]
+basepython=python2.6
 deps = numpy
        unittest2
        uncertainties
@@ -75,3 +91,9 @@ basepython=python3.3
 deps = numpy
        uncertainties
        coverage
+
+[testenv:numpy34u]
+basepython=python3.4
+deps = numpy
+       uncertainties
+       coverage