[Changes for 0.21 - 2010-11-10]

* Allow modifying hints of arbitrary coderefs, not just stack frames. (doy)

* Fix test failures on perl 5.8. (doy)

[Changes for 0.20 - 2010-11-08]

* LICENSING CHANGE: This compilation and all individual files in it
  are now under the nullary CC0 1.0 Universal terms:

  To the extent possible under law, 唐鳳 has waived all copyright and
  related or neighboring rights to Module-Signature.

* Fix test failures by disabling unsupported operations for Perl 5.10 and 5.12.

* Updated Module::Install::DSL to 1.00.

[Changes for 0.11 - 2005-12-30]

* Fix malformed SIGNATURE file;
  replace ExtUtils::AutoInstall with Module::AutoInstall.
  Reported by: Andreas Koenig
* Update ppport.h to work with latest Perl versions.
* Corrected (harmless) type casting warnings in Hints.xs.

[Changes for 0.10 - 2003-07-27]

* Read/write tests.
* cop_stash can now be assigned \%hash.
* cop_filegv can now be assigned \*glob.
* cop_warnings now correctly returns either a 12-byte string under
  lexical warnings, or a positive integer otherwise.
* cop_io now returns an empty string when there's no value available,
  and undef for perls without perlio.

[Changes for 0.04 - 2003-07-10]

* Now with writable hints!
* Switch to M::I.
* Add ppport.

[Changes for 0.03 - 2003-02-05]

* Now with perl 5.6 and file/stash support.

[Changes for 0.02 - 2003-01-29]

* Add the ability to specify uplevels.

[Changes for 0.01 - 2003-01-29]

* Initial CPAN release.