Revision history for Perl extension Pogo.

0.01  1999/12/7
	- original version; created by h2xs 1.19

0.02  1999/12/17
	- first release

0.03  1999/12/18
	- fix a bug in Pogo::Array::remove
	- fix a bug in Pogo::Array::SPLICE
	- add a document of Pogo::Btree::find_key

0.04  1999/12/19
	- add Pogo::wait_modification function

0.05  1999/12/20
	- fix a bug in browse
	- rename Pogo::who to Pogo::type_of
	- add a sample script schedule.pl

0.06  1999/12/27
	- add Pogo::Btree::last_key and Pogo::Btree::prev_key methods
	- add Pogo::equal and Pogo::object_id functions
	- browse shows object id

0.07  2000/1/15
	- fix a bug in Pogo::equal
	- add Pogo::Ntree
	- modify new_tie's to accept $pogo and $blessclass arguments
	- add PogoLink.pm
	- add sample/person.pl

0.08  2000/1/18
	- fix a bug in pogocall.c
	- modify documents in PogoLink.pm
	- add PogoLink.jp.pod

0.09  
	- CAUTION! database structure is changed! 
	- make Pogo and Pogo::* classes derivable
	- modify new_tie's to take not $pogo but $pogovar
	- add Pogo::get_root_tie(), Pvar::root_tie(), Pvar::root()
	- modify Pogo::equal() to be available for not object
	- modify PogoLink.pm to be available for array or pseudo-hash objects
	- modify PogoLink::*::new to accept $size argument
	- modify PogoLink::* classes to use array but hash
	- change Pogo::Array default size to 0 but 1
	- fix a bug of Pogo::type_of()
	- task::initialize() at bootstrap
	- Pogo::Var::call() can return list

0.10
	- -D option for Makefile.PL available
	- Pogo::opened() method added
	- Pogo::get_root_tie method added