Changes since 0.2.0:

API changes to prepare for encode support
OSS-Fuzz integration
Simplified integer reads (Tomasz Kramkowski)
Added option to set custom image width/height limits
All standard chunks are read and validated
Added support for eXIf and oFFs extensions
Added spng_strerror(), spng_version_string()
Added spng_get_*(), spng_set_*() functions for supported chunks
build: libpng is no longer a build dependency, it's only required
        for benchmarks and the testsuite.
build: generate pkg-config file
benchmark: print averaged time over multiple runs

Changes since 0.1.0:

Stream support
Gamma correction
Added SPNG_DECODE_USE_TRNS flag
RGBA16 output format
Read suggested palettes(sPLT), color profiles(iCCP)
Testsuite improvements
Improved output compatibility with libpng
Validation fixes, bugfixes