Also fixed an old LineWrap::computeLineBreaks bug that wrapped too soon some texts, I had to update the tests (they where looking strange but I thought it was some unfortunate wrapping).
Change the `Text::wrapText` implementation to use the `LineWrap::computeLineBreaks` function, so it's consistent across eepp. Also renamed the function to `Text::hardWrapText` to be more descriptive.
Added new-line support in `LineWrap::computeLineBreaks`.
