Optimize textures by 94 KiB (convert to indexed colors and apply optipng)
Merge pull request #4 from donat-b/textures

Optimize textures by 94 KiB (convert to indexed colors, optipng)
Merge pull request #5 from donat-b/master

Add moreblocks support, fix some typos
Merge pull request #6 from donat-b/master

Add optional moreblocks dependency