0.08

Printout of libpng version during build to detect problematic versions.
Added tRNS.t test and test PNG file to build.

0.07

Can read/write bKGD (background), pHYs, oFFs, sBIT chunks.
Time default for month/day is 1 not 0.

0.06 

A file was missing from the distribution, resulting in test failures.

0.05

Badly-formatted META.yml in 0.04.

0.04

Added all the templates into the distribution & cross fingers the
"no_index" will stop it creating a problem on CPAN.

0.03

Fixed a bug which dumps core on libpng error.
Added access to set_keep_unknown_chunks
