Started adding support for Twitter Ads API.

tests/test_core_ads.py

@@ -0,0 +1,23 @@
+from .config import (
+    test_tweet_object, test_tweet_html, unittest
+)
+
+import responses
+import requests
+from twython.api_ads import TwythonAds
+
+from twython.compat import is_py2
+if is_py2:
+    from StringIO import StringIO
+else:
+    from io import StringIO
+
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
+
+
+class TwythonAPITestCase(unittest.TestCase):
+    def setUp(self):
+        self.api = TwythonAds('', '', '', '')