v21.06.13

readme update

v21.06.09

added sBIT support

v21.02.07

added printing unknown headers as hex and ascii

v20.12.06

improved help printing

v20.08.22

added itxt impl that works ok for uncompressed

v20.07.31

removing unneeded newline

v20.07.29

added printing srgb chunk value

v20.07.25

made no idat opt work at any position

v20.07.08

added parsing time chunks

v20.07.07

added to readme example of detecting other files