TravisCI integration and updated test suite (#296)

* Make TravisCI setup

* Use pytest, move tests to seperate files

* Added system to check if `onX` events were successfully executed

tests/test_search.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from fbchat.models import ThreadType
+
+
+def test_search_for(client1):
+    users = client1.searchForUsers("Mark Zuckerberg")
+    assert len(users) > 0
+
+    u = users[0]
+
+    assert u.uid == "4"
+    assert u.type == ThreadType.USER
+    assert u.photo[:4] == "http"
+    assert u.url[:4] == "http"
+    assert u.name == "Mark Zuckerberg"