HTML-encode the titles of dynamically created TOC nodes (fixes #34)
Fix expansion of root node when TOC contains items not associated with a file (fixes #35)
Fix expanding TOC nodes that are not associated with a file (fixes #36)
Remove Id attribute from TOC elements that also contain a Url attribute (fixes #38)
Merge pull request #39 from sharwell/lwtoc-fixes

Lightweight TOC fixes