v0.2.1

Changes:

• c61f3ee version bump for build
• 3e2125c add alpha 0 pixel to test
• aa269d0 ensure conflated tilemaps output actual size in log
• 18480e9 add test for high bits of tilemap entries
• 64b0ce1 fix high bits of tilemap entries
• 28914c9 Merge pull request #9 from mattuna15/patch-6
• 0bab0e2 Update imageset.rs
• 16ce172 Merge pull request #8 from mattuna15/patch-5
• 6010ab5 fix for panic formatting imageset where there's only one colour in the source tile
• dcff3f5 Update readme.md

This list of changes was auto generated.