tests for the last few issues (these test scripts should work with recent APIs, while the rest of the test suite needs an overhaul)

tests/minimal_test.py

@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+"""Minimal test to check if module works"""
+import sys
+import mcrfpy
+
+print("Module loaded successfully")
+print(f"mcrfpy has window: {hasattr(mcrfpy, 'window')}")
+print(f"mcrfpy.Frame exists: {hasattr(mcrfpy, 'Frame')}")
+sys.exit(0)