Begin implementation list padding and cleanup
"Seems to work" (TM)
Reverted changes to prefixForListItemWithCounter:
Reverted change to DTTextBlock
made _listPrefix a local method to avoid conflict with prefix method
Merge branch 'od/issue_439' into develop
Fixed crash on parsing non-wellformed HTML document with content after HTML tag.
closes #447
Merge branch 'od/issue_447' into develop
Merge branch 'develop' of github.com:Cocoanetics/DTCoreText into develop