toc for functions
add ids to titles and toc in html template, modify test accordingly
add tests for TOC
add CSS for TOC
add permalinks to subsections (h3)
add one level in toc/permalinks for augmentations and change CSS to have a left fixed bar for the toc
2-space indent
oops, re-indenting broke unit test...
Merge pull request #176 from yloiseau/master

Toc and direct links in golodoc