fix only upcase for MIYASAKA
less restrictive rubocop dependency
download -nolib archive of pngcrush
Merge branch 'update'
show project name with no version found abort
use github for pngquant livecheck
Merge branch 'update'
use -alpha Background to ignore fully-transparent pixels during comparison in spec
Merge branch 'update'
v0.2.1
Merge tag 'v0.2.1' into update