New copy_to() and move_to() methods. [Robert Rothenberg & Ken Williams]
As advised in the utime() docs, pass undef as the time for touch().
Do a better job cleaning up temp files in the tests.
Optimization: use parent.pm instead of base.pm. [Olivier Mengué]
Changed the docs to show that file() and dir() are exported by
default.Fixed spelling error in POD. [Salvatore Bonaccorso]