Adding upstream version 4.1.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/test_application_name.py

@@ -0,0 +1,17 @@
+from unittest.mock import patch
+
+from click.testing import CliRunner
+
+from pgcli.main import cli
+from pgcli.pgexecute import PGExecute
+
+
+def test_application_name_in_env():
+    runner = CliRunner()
+    app_name = "wonderful_app"
+    with patch.object(PGExecute, "__init__") as mock_pgxecute:
+        runner.invoke(
+            cli, ["127.0.0.1:5432/hello", "user"], env={"PGAPPNAME": app_name}
+        )
+        kwargs = mock_pgxecute.call_args.kwargs
+        assert kwargs.get("application_name") == app_name