tox/travis stuff. making testing more uniform.

tox.ini

@@ -1,11 +1,30 @@
 [tox]
-envlist = py34, py27
+envlist = py34, py27, pypy, pypy3
 recreate = False
 
 [testenv]
 downloadcache = {homedir}/.pipcache
-changedir = tests
 deps =
+     pyyaml
      pytest
      mock
-commands = py.test {posargs}
+     pytest-cov
+commands = py.test --doctest-modules -v --cov pylast --cov-report term-missing
+
+[testenv:venv]
+deps = ipdb
+commands = {posargs}
+
+[testenv:lint]
+deps =
+     coverage
+     pep8
+     pyyaml
+     pyflakes
+     clonedigger
+commands =
+    pyflakes pylast
+    pyflakes tests
+    pep8 pylast
+    pep8 tests
+    clonedigger pylast -o /dev/stdout | grep -E "Clones detected\|lines are duplicates"