Adds travis testing skeleton

.travis.yml

@@ -0,0 +1,5 @@
+language: python
+python:
+  - "3.6"
+script: 
+  - python3 tests.py

tests.py

@@ -1,4 +1,6 @@
 import unittest
+from pprint import pprint
+
 from copycat import Copycat
 
 # TODO: update test cases to use entropy
@@ -67,6 +69,7 @@ class TestCopycat(unittest.TestCase):
                     self.fail('No instances of expected key %s were produced! %r != %r' % (k, actual, expected))
 
     def run_testcase(self, initial, modified, target, iterations, expected):
+        pprint(expected)
         actual = Copycat().run(initial, modified, target, iterations)
         self.assertEqual(sum(a['count'] for a in list(actual.values())), iterations)
         self.assertProbabilitiesLookRoughlyLike(actual, expected)