Build an array of palette RGB strings.
Move image draw tests below textual tests.
All tests use preformatted text.
Use palettes read from ROM, not manually typed one.
Create function to build PNG image from tiles.
Retain palette in array form.
Add missing argument to function.
Call createPNGFromTiles function for testing.
Correct instantiation of array.
Instantiate second palette array if needed.
Add missing argument when trying to push to array.
Fix typo.
Use JavaScript to display extracted tileset image in browser.