0.5.0

• Removes Panda3D-specific initialization code
• Add -init flag to interrogate_module to call custom init function (#3)
• Fix a compile error with Python 3.13 free-threaded build
• Fixes some compile issues with recent compilers
• Remap function indices in wrappers (#7)
• Use dynamically allocated type objects for py_wrappers as a step towards multi-interpreter / interpreter restarting support