Revision history for Data-Util

0.20 Sun Nov 16 13:04:56 2008
	- add more tests
	- fix some bugs
	- remove Data::OptList dependency
	- internal cleanup

0.19_01 Wed Nov 12 22:33:23 2008
	- some imcompatible changes
		- remove -fast_isa subdirective, which is no longer useful
		- remove -fail_handler subdirective, use Data::Util::Error instead.
	- add Data::Util::Error module for error handling
	- add invocant() and is_invocant()
	- add mkopt() and mkopt_hash() which are compatible with Data::OptList
	- improve error handlers to be inheritable
	- fix install_subroutine() not to locate subroutines named by Sub::Name

0.11 Mon Nov  3 10:09:57 2008
	- fix possible segfault in get_code_info()

0.10 Sat Nov  1 11:02:06 2008
	- add get_code_info()
	- add lib/Data/Util/JA.pod
	- add pure-perl implementation
	- internal cleanup

0.05 Tue Oct 28 22:39:58 2008
	- add install_subroutine()
	- internal cleanup

0.041 Mon Oct 27 08:27:11 2008
	- fix C99 portability
	- fix is_instance() to return a bool
	- fix get_stash() to accept undef silently

0.04 Sun Oct 26 10:19:11 2008
	- change messsages
	- improve neat() when HASH or ARRAY is supplied
	- add "-fail_handler" subdirective
	- add c99portability.h for C99 portability

0.03 Fri Oct 24 12:17:13 2008
	- remove unused code
	- a bit of optimization (using 'inline' effectively)

0.02 Fri Oct 24 09:10:31 2008
	- derived from Scalar::Util::Ref
	- add "-fast_isa" subdirective
		which makes UNIVERSAL::isa() faster
	- remove "instanceof" operator
	- many optimizations
	- fix some bugs

0.01 Sat Oct  4 11:32:36 2008
	- original version; created by Module::Starter
		started as Scalar::Util::Ref