added basic test

.travis.yml

@@ -7,3 +7,4 @@ before_install:
  - "sudo apt-get install libpcap0.8-dev libnetfilter-queue-dev"
 
 install: "pip install -r requirements.txt"
+script: tests/basic_tests.py

tests/basic_tests.py

@@ -0,0 +1,11 @@
+import unittest
+from commands import getstatusoutput
+
+class BasicTests(unittest.TestCase):
+
+	def test_exec(self):
+		status, res = getstatusoutput('sudo python mitmf.py --help')
+		self.assertEqual(0, status)
+
+if __name__ == '__main__':
+    unittest.main()