Revision history for Dir::TempChdir.

0.02  2023-12-14
  - pushd(): Skip opendir() if fchdir() is absent as we can't use the handle.
  - pushd(): Use File::Spec->curdir() instead of "." for opendir().
  - Minor optimizations.
  - POD improvements.

0.01  2023-12-09
  - Initial version.