Cache system added using sqlite. Should be nicer to the server.

test.py

@@ -0,0 +1,17 @@
+"""
+Lightweight test runner.
+
+Usage:
+    python test.py
+"""
+
+import sys
+import pytest
+
+
+def main() -> int:
+    return pytest.main(["-q"])
+
+
+if __name__ == "__main__":
+    sys.exit(main())