Formatting fixes
Replaced urlencode() with rawurlencode(). Bumped to v2.4.4
Optional header.php and footer.php
Fix typo.
Fix typos.
Re-struture logic of determining urlpath for normal items.
Don't urlencode directory separators for direct (file) links.
Use archive icon for archive files instead of briefcase.
Add feature to link to, rather than browse, directories with their own index.
Merge branches 'typos', 'icon', 'header-footer', 'fix-direct-file-links' and 'directories-with-index-files'