Revision history for Perl extension Readonly.

0.06  2002 June 16
        - Add Readonly function, to provide a unified (and shorter) way to
          create readonly variables. (Thanks to Slaven Rezic for the idea).
        - Scalar, Array, and Hash now mark entire data structures as Readonly.
          Added Scalar1, Array1, and Hash1 for shallow Readonly protection.
          (Thanks to Ernest Lergon for the idea).
        - Switch to Test::More and Test::Harness.  134 tests now!

0.05  2002 March 15
	- Change name from Constant.pm to Readonly.pm, due to file
	  naming conflict under Windows.
	- Changed docs to match.
	- Allow Readonly::Hash to accept a hash reference parameter.
	- Works better with older versions of Perl.
	- Add many, many test cases to test.pl.

0.04  2002 March 7
	- Add top-level Scalar, Array, and Hash functions, so callers
	  don't have to tie the variables themselves.

0.03  2001 September 9
	- documentation changes only.

0.02  2001 September 9
	- documentation changes only.

0.01  2001 August 30
	- Constant.pm, original version.