Add tests and more docs

kdoorweb/tests/test_db.py

@@ -0,0 +1,12 @@
+import unittest
+
+from kdoorweb.db import DB
+
+
+class TestDB(unittest.TestCase):
+    def test_create_db_in_memory(self):
+        DB.create_db(dbfile=":memory:")
+
+
+if __name__ == '__main__':
+    unittest.main()