Major fixes and new features

venv/lib/python3.12/site-packages/mypyc/lib-rt/init.c

@@ -0,0 +1,13 @@
+#include <Python.h>
+#include "CPy.h"
+
+struct ExcDummyStruct _CPy_ExcDummyStruct = { PyObject_HEAD_INIT(NULL) };
+PyObject *_CPy_ExcDummy = (PyObject *)&_CPy_ExcDummyStruct;
+
+// Because its dynamic linker is more restricted than linux/OS X,
+// Windows doesn't allow initializing globals with values from
+// other dynamic libraries. This means we need to initialize
+// things at load time.
+void CPy_Init(void) {
+    _CPy_ExcDummyStruct.ob_base.ob_type = &PyBaseObject_Type;
+}