First pass at formatting iex help output
Fix up handling of enabled: color option
Allow H3s to be nested inside lists
respond to review. make internal methods private. Add tests for external methods.
Split IEx colors into categories
mend
add a few extra tests
fix bug with nested lists
fix problem with lone stars
Improve coverage of backticks, underscsores, etc in ANSIDocs
Simplify list handling by delegating to the same text handling function
Do not split words for handling inline code
Remove duplicated code
Merge IEx.ANSIDocs