updated endpoint definitions/names and reformatted some files and code

swagger_server/test/__main__.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import connexion
+
+from swagger_server import encoder
+
+
+def main():
+    app = connexion.App(__name__, specification_dir='./swagger/')
+    app.app.json_encoder = encoder.JSONEncoder
+    app.add_api('swagger.yaml', arguments={'title': 'OpenAPI definition'}, pythonic_params=True)
+    app.run(port=8080)
+
+
+if __name__ == '__main__':
+    main()