Issue #21193: Make (e.g.,) pow(2, -3, 5) raise ValueError rather than TypeError.  Patch by Josh Rosenberg.

Patch by Kushal Das.

- Better message for the OverflowError in large positive inputs.
- Changed exception type from OverflowError to ValueError for large negative inputs.

Initial patch by Nick Coghlan

Initial patch by Nick Coghlan

Even if PyLong_AS_LONG() cannot fail, I prefer to use the right type.

Hopefully.

Patch by Josh Rosenberg.