Leave the item tokens reversed until the last moment
Remove newlines at the end of list items

Reason: newlines serve as a delimiter but are not part of the item
content.
Improve the presentation of the results of tests
Adapt tests to headers with >6 hashes
Adapt tests to the removal of NL at the end of list items
Merge pull request #81 from Chris00/master

Remove newlines at the end of list items + tests