Log Message:
Update to 1.7001

Upstream changes:
1.7001 2024-01-06
 * Sync test files with Math-BigInt.

1.7000 2023-12-29
 * Add new methods _to_hex(), _to_bin(), _to_oct(), _lcm(), _dfac(), _nok(),
   _fib(), and _lucas(). These are now in XS code rather than being inherited.

1.6014 2023-12-27
 * Sync test files with Math-BigInt.

1.6013 2023-09-20
 * Sync test files with Math-BigInt.
 * Remove obsolete link to cpanratings.org.

1.6012 2023-04-03
 * Sync test files with Math-BigInt.