Py_InitializeFromConfig() now always creates the empty tuple singleton as soon as possible. Optimize PyTuple_New(0): it no longer has to check if the empty tuple was created or not, it is always creatd. * Add tuple_create_empty_tuple_singleton() function. * Add tuple_get_empty() function. * Remove state parameter of tuple_alloc().
Miscellaneous source files for the main Python shared library