0.03 2007/05/27
(ishigaki)
no code changes. updated just for a kwalitee reason.
added Changes, POD tests, license info

0.02
(ishigaki)
enabled strict and warnings. 
rewrote C<STORE> along the L<perlopentut> way.
rewrote test to use L<Test::More>.
rewrote pod and added caveat on 'race condition'.

0.01
(nicol)
sysread, syswrite, flock.