create class ImageRGBA
add pixcel method
Merge pull request #5 from freddiefujiwara/feature/image-rgba

Feature/image rgba
compiled
Merge pull request #7 from freddiefujiwara/feature/image-rgba

compiled
add resize/scale
Merge pull request #8 from freddiefujiwara/feature/resize

add resize/scale
Merge pull request #10 from freddiefujiwara/develop

Develop