0.23 2014-01-20

* "read_from_scalar" now has a return value & doesn't require
  create_read_struct to be called.
* Documentation clarified.

0.22 2014-01-19

* Change Image::PNG::Libpng::Const back to Image::PNG::Const.
* Minor fixes in documentation, etc.

0.21 2014-01-18

* Split from Image::PNG

0.20 2013-03-12

* Use Devel::CheckLib to check for png library.
* Fix up for bug on Windows multithreaded.

0.19 2013-02-16

0.18 2013-02-15

0.17 2013-02-14

0.16 2012-04-18

0.15 2012-04-14

0.14 2012-04-14

0.13 2012-04-14

0.12 2012-04-14

0.11 2012-03-28

0.10 2012-03-26

0.09 2012-03-18

0.08 2011-06-02

0.07 2011-05-31

0.06 2011-05-24

0.05 2011-05-23

0.04 2011-05-23

0.03 2011-04-26

0.02 2011-04-21

0.01 2011-04-21