Clean up todo
Correctly format alpha when printing values
Set 'a' when creating new colours
Fix tests for previous changes
Add tests for array references
Handle arrays in output
Make write_object handle more types
Outraw now uses write_object
Add test 020 checking oraw types
Add new test021 to test multi args to Oraw
Small fix for test020
Add more tests
Use rgb instead of rgba when printing colors
Fix test
Remove old todo from readme
Change order of test results to be more readable
Switch colours.a field to be 0-1